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Suryawanshi T, Chandak M, Patel A, Ikhar A, Agrawal P, Hirani P. From Crisis to Victory: Rescuing Root Canal Treatment With Bioactive Material in a Nail-Biting Case of Furcal Perforation. Cureus 2024; 16:e60414. [PMID: 38882950 PMCID: PMC11179840 DOI: 10.7759/cureus.60414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Accepted: 05/16/2024] [Indexed: 06/18/2024] Open
Abstract
This case report illustrates the successful treatment of an iatrogenic furcal perforation using mineral trioxide aggregate (MTA) and its reinforcement with fiber-reinforced composites (FRCs). Endodontic perforations, particularly in the furcal area, present unique challenges that demand effective management strategies. MTA, known for its multifaceted properties including osteoinductive activity and sealing capabilities, has emerged as the gold standard material for perforation repair. This case report demonstrates the application of MTA in repairing the perforation site following thorough cleaning and shaping of the root canals. Furthermore, the use of FRCs, specifically glass fiber-reinforced composite (GFRC), is introduced to reinforce the repaired site, enhancing its mechanical properties and long-term stability. The discussion emphasizes the importance of selecting appropriate materials for endodontic perforation repair and highlights the advantages of FRCs in preventing structural failures. Future directions suggest further research to refine FRC formulations and standardize clinical protocols to maximize treatment outcomes. This case report contributes valuable insights to the advancement of endodontic therapy, showcasing the combined benefits of MTA and FRCs in achieving favorable treatment outcomes for iatrogenic furcal perforations.
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Affiliation(s)
- Tejas Suryawanshi
- Conservative Dentistry and Endodontics, Sharad Pawar Dental College and Hospital, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Manoj Chandak
- Conservative Dentistry and Endodontics, Sharad Pawar Dental College and Hospital, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Aditya Patel
- Conservative Dentistry and Endodontics, Sharad Pawar Dental College and Hospital, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Anuja Ikhar
- Conservative Dentistry and Endodontics, Sharad Pawar Dental College and Hospital, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Paridhi Agrawal
- Conservative Dentistry and Endodontics, Sharad Pawar Dental College and Hospital, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Palak Hirani
- Conservative Dentistry and Endodontics, Sharad Pawar Dental College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
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Bilge K, Ataş O, Yildiz Ş, Çalik I, Dündar S, Gezer Ataş A. Histological evaluation of tissue reaction and new bone formation of different calcium silicate-based cements in rats. Aust Dent J 2024; 69:18-28. [PMID: 37715562 DOI: 10.1111/adj.12980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/31/2023] [Indexed: 09/17/2023]
Abstract
BACKGROUND The purpose of this study was to evaluate the local reactions and new bone formation of rat subcutaneous and bone tissue to different calcium silicate cements. METHODS In this study, 80 rats were divided into five groups as control, BIOfactor MTA (BIO), NeoMTA Plus (NEO), MTA Repair Hp (REP), Biodentine (DENT) and then into two subgroups according to sacrification times (7, 30 days; n = 8). Polyethylene tubes filled with appropriate materials (test groups); empty tubes (control group) were implanted into the dorsum of each rat subcutaneously. For intraosseous implantation, materials were placed in the cavities created in tibia of rats. Subcutaneous tissue and tibia samples were stained with haematoxylin-eosin and subjected to histopathological analysis. A score (0-3) was used to grade inflammatory reaction and new bone formation. Data were analysed by Kruskal-Wallis and Mann-Whitney U tests (P < 0.05). RESULTS Inflammatory reaction observed in subcutaneous and intraosseous tissues for 7 days decreased significantly in all groups over time (P < 0.05). It was determined that there was significant increase in new bone formation in REP, BIO, DENT groups over time (P < 0.05). CONCLUSION Four contemporary bioceramic materials induced local inflammation and tissues changes shortly after subcutaneous implantation, which were reduced over time. In ıntraosseous implantation, all materials induced new bone formation over time. REGISTRATION NUMBER ADJ-03-23-0134. © 2023 Australian Dental Association.
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Affiliation(s)
- K Bilge
- Department of Restorative Dentistry, Faculty of Dentistry Firat University, Elazıg, Turkey
| | - O Ataş
- Department of Pediatric Dentistry, Faculty of Dentistry Firat University, Elazıg, Turkey
| | - Ş Yildiz
- Department of Pediatric Dentistry, Faculty of Dentistry Firat University, Elazıg, Turkey
| | - I Çalik
- Department of Pathology, Faculty of Medicine, Firat University, Elazıg, Turkey
| | - S Dündar
- Department of Periodontology, Faculty of Dentistry, Firat University, Elazig, Turkey
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Al-Askary RA, AL-Ashou WM, Al-Jubori SH. Remineralization ability of different root canal sealers. Saudi Dent J 2023; 35:1014-1022. [PMID: 38170034 PMCID: PMC10759546 DOI: 10.1016/j.sdentj.2023.08.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 08/07/2023] [Accepted: 08/13/2023] [Indexed: 01/05/2024] Open
Abstract
Aims This research was designed to contrast the biocompatibility and remineralization ability of different sealers (BioRoot, MTA-FillApex and GuttaFlow-Bioseal). Method Twenty rabbits were used in this study, they were randomly divided into 4 groups equally depending on the observation time"3,7,14, and 28 days" post-implantation. Each rabbit was generally anesthetized,"7cm"long incision was made on the skin of the right and left sides of the ventral aspect of the mandible of each rabbit, 4 bony cavities of approximately"5mm"in depth and"2mm"in diameter (2 cavities on the left side and 2 cavities on the right side of mandible of each rabbit) were made in the cortical surface of the buccal alveolar bone. The sealers mixed depend on manufactural instructions and immediately insert into the prepared cavities (in the right side the BioRoot and MTA-FillApex were placed while on the left side, GuttaFlow-Bioseal was placed in one cavity and the other cavity was left unfilled as control).The same volume of each sealer was placed in the corresponding cavity using disposable syringes. After each observation period, the animals were sacrificed and bone biopsy from the tested area was taken and examined histologically using Olympus light microscopy at"400X"magnification. Results The obtained data were analyzed through non-parametric statistical tests using SPSS software version"22".Kruskal-Wallis test and Mann - Whitney test were utilized at"0.05"levels of significance to evaluate the results. GuttaFlow-Bioseal displayed excellent biocompatibility in comparison to other groups indicated by low inflammatory tissue reaction at all evaluation intervals. While the BioRoot group represented better osteo-conductivity although statistically not significant than GuttaFlow-Bioseal group. Conclusion BioRoot and GuttaFlow-Bioseal showed higher osteo-conductivity and biocompatibility than MTA-FillApex. However, all sealer used in this study were well tolerated by bone tissue and might accelerate bone repair.
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Affiliation(s)
- Raghad A Al-Askary
- Department of Conservative Dentistry, College of Dentistry, University of Mosul, Mosul, Iraq
| | - Wiaam M.O. AL-Ashou
- Department of Conservative Dentistry, College of Dentistry, University of Mosul, Mosul, Iraq
| | - Sawsan H. Al-Jubori
- Department of Conservative Dentistry, College of Dentistry, University of Mosul, Mosul, Iraq
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Park C, Song M, Kim SY, Min BM. Vitronectin-Derived Peptide Promotes Reparative Dentin Formation. J Dent Res 2022; 101:1481-1489. [PMID: 35708468 DOI: 10.1177/00220345221101506] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Exposed dental pulp can maintain its vitality through a pulp-capping procedure with biocompatible materials, followed by reparative dentin formation. Our previous study demonstrated that a vitronectin-derived peptide (VnP-16) promotes osteoblast differentiation and concomitantly restrains osteoclast differentiation and resorptive function. In this study, we aimed to demonstrate that VnP-16 promotes odontoblast differentiation, mineralization, and reparative dentin formation in a pulp exposure model using a rat tooth. VnP-16 showed no cytotoxicity and promoted cellular behavior in human dental pulp cells, enhancing their differentiation into odontoblast-like cells and mineralization, effects that are comparable to those obtained with vitronectin. In a rat pulp exposure model, VnP-16 showed mild inflammatory responses at 2 and 4 wk or none. Mineral trioxide aggregate (MTA) demonstrated a tendency of early formation of reparative dentin at 2 wk when compared with recombinant human bone morphogenetic protein 2 (rhBMP-2) and VnP-16. However, VnP-16 induced reparative dentin formation similar to MTA and rhBMP-2 without inflammation at 4 wk. In addition, VnP-16 showed a thicker and homogeneous reparative dentin formation versus MTA and rhBMP-2. Collectively, these results suggest that VnP-16 can be a useful, direct pulp-capping agent for highly qualified reparative dentin formation by promoting cell behavior and odontoblastic differentiation of human dental pulp cells.
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Affiliation(s)
- C Park
- Department of Oral Biochemistry and Program in Cancer and Developmental Biology, Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea.,Department of Conservative Dentistry and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea
| | - M Song
- Department of Conservative Dentistry, College of Dentistry, Dankook University, Cheon-An, Korea
| | - S Y Kim
- Department of Conservative Dentistry and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea
| | - B M Min
- Department of Oral Biochemistry and Program in Cancer and Developmental Biology, Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea
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Taha NA, Al-Rawash MH, Imran ZA. Outcome of full pulpotomy in mature permanent molars using 3 calcium silicate-based materials: A parallel, double blind, randomized controlled trial. Int Endod J 2022; 55:416-429. [PMID: 35152464 DOI: 10.1111/iej.13707] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 02/10/2022] [Accepted: 02/11/2022] [Indexed: 12/31/2022]
Abstract
AIM The aim of the study was to compare the outcome of full pulpotomy using 2 calcium silicate-based materials compared with mineral trioxide aggregate (MTA) in symptomatic mature permanent teeth with carious pulp exposure. METHODOLOGY This study was designed as a parallel, double blind, randomized controlled trial where symptomatic mature permanent teeth with carious pulp exposure meeting the inclusion criteria were randomly treated with full pulpotomy using one of 3 calcium silicate-based materials (ProRoot MTA, Biodentine and TotalFill). Full pulpotomy was performed, and haemostasis was achieved via a cotton pellet moistened with 2.5% NaOCl. A 3-mm layer of the calcium silicate-based material was randomly placed as the pulpotomy agent through a block randomization process followed by a resin-based composite restoration. Postoperative periapical radiograph was taken. Clinical and radiographic evaluation were completed after 6 months and 1 year. The patient and evaluator were blinded to the type of materials used. Pain levels were scored preoperatively and 7 days after treatment. Effect of potential prognosis factors including gender, age, diagnosis, bleeding time and type of caries were also analysed. RESULTS One hundred and sixty-four teeth in 146 patients received full pulpotomy and were randomly assigned to either the tested or control material through block randomization technique (50 MTA, 50 Biodentine and 64 TotalFill). The age ranged from 10 to 70 years. The diagnosis was irreversible pulpitis in 112 teeth (72%) and reversible pulpitis in 28 teeth (28%). The majority of patients presented with severe pain, during the first week 96.9% reported complete relief of pain or mild pain. Four cases had immediate failure. At 6 months the overall success rate was 92.2%, over 1 year 156/164 teeth attended follow-up with 12 failures (2 restorative failures and 10 endodontic failures), the overall success of pulpotomy at 1 year was 92.3% (144/156); 91.8% in MTA, 93.3% in Biodentine and 91.9% in TotalFill with no significant difference amongst the groups and no side effects observed. No significant association was evident between outcome and the investigated variables. CONCLUSIONS The 1-year success rate of full pulpotomy did not differ significantly between Biodentine pulpotomy, TotalFill pulpotomy, and MTA pulpotomy. The study was registered with clinical trials; registration number (NCT04345263).
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Affiliation(s)
- Nessrin A Taha
- Department of Conservative Dentistry, Jordan University of Science and Technology, Irbid, Jordan
| | - Mohanad H Al-Rawash
- Department of Conservative Dentistry, Jordan University of Science and Technology, Irbid, Jordan
| | - Z A Imran
- Endodontic Unit, Kulliyyah of Dentistry, International Islamic University Malaysia, Pahang, Malaysia
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Camilleri J, Atmeh A, Li X, Meschi N. Present status and future directions: Hydraulic materials for endodontic use. Int Endod J 2022; 55 Suppl 3:710-777. [PMID: 35167119 PMCID: PMC9314068 DOI: 10.1111/iej.13709] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 02/11/2022] [Accepted: 02/13/2022] [Indexed: 01/07/2023]
Abstract
BACKGROUND Hydraulic materials are used in Endodontics due to their hydration characteristics namely the formation of calcium hydroxide when mixing with water and also because of their hydraulic properties. These materials are presented in various consistencies and delivery methods. They are composed primarily of tricalcium and dicalcium silicate, and also include a radiopacifier, additives and an aqueous or a non-aqueous vehicle. Only materials whose primary reaction is with water can be classified as hydraulic. OBJECTIVES Review of the classification of hydraulic materials by Camilleri and the literature pertaining to specific uses of hydraulic cements in endodontics namely intra-coronal, intra-radicular and extra-radicular. Review of the literature on the material properties linked to specific uses providing the current status of these materials after which future trends and gaps in knowledge could be identified. METHODS The literature was reviewed using PUBMED, and for each clinical use, the in vitro properties such as physical, chemical, biological and antimicrobial characteristics and clinical data were extracted and evaluated. RESULTS A large number of publications were retrieved for each clinical use and these were grouped depending on the property type being investigated. CONCLUSIONS The hydraulic cements have made a difference in clinical outcomes. The main shortcoming is the poor testing methodologies employed which provide very limited information and also inhibits adequate clinical translation. Furthermore, the clinical protocols need to be updated to enable the materials to be employed effectively.
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Affiliation(s)
- Josette Camilleri
- School of DentistryCollege of Medical and Dental SciencesUniversity of BirminghamBirminghamUK
| | - Amre Atmeh
- Hamdan Bin Mohammed College of Dental Medicine (HBMCDM)Mohammed Bin Rashid University of Medicine and Health Sciences (MBRU)DubaiUnited Arab Emirates
| | - Xin Li
- Department of Oral Health SciencesBIOMAT – Biomaterials Research GroupKU Leuven and DentistryUniversity Hospitals LeuvenLeuvenBelgium
| | - Nastaran Meschi
- Department of Oral Health SciencesBIOMAT – Biomaterials Research GroupKU Leuven and DentistryUniversity Hospitals LeuvenLeuvenBelgium
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Copelli FA, Lima AASD, Santos CCDO, Carneiro E, Cavenago BC. Biological response to lyophilized demineralized dentin matrix implanted in the subcutaneous tissues of rats. Saudi Dent J 2021; 33:441-447. [PMID: 34803284 PMCID: PMC8589591 DOI: 10.1016/j.sdentj.2020.12.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 10/01/2020] [Accepted: 12/06/2020] [Indexed: 11/22/2022] Open
Abstract
Aim Lyophilized demineralized dentin matrix (LDDM) consists of a type 1 collagen complex matrix containing growth factors and no mineral crystals. Although the efficacy of LDDM for bone grafting is well known, there is limited evidence on the biological response to human lyophilized DDM. Therefore, the aim of this study was to evaluate the biological response of subcutaneous tissues in rats to powdered LDDM, mineral trioxide aggregate (MTA), and Biodentine implanted using polyethylene tubes. Methods Forty Wistar rats were divided into four groups (n = 10 each) depending on the experimental time intervals and were placed in polyethylene tubes containing LDDM, MTA, biodentine, and one empty control. After 3, 7, 15, and 30 observation days, the animals were sacrificed and quantitative and qualitative analysis of the subcutaneous tissue samples was carried out. The intensity of the inflammatory response was scored from 0 (no response) to 3 (severe response), and the data were statistically analyzed using ANOVA and Bonferroni tests (p < 0.05). Results All groups exhibited moderate inflammation after 3 and 7 days of observation, with presence of inflammatory infiltrate predominantly consisting of macrophages and angioblastic proliferation being observed. After 15 observation days, the control group exhibited mild inflammation and a predominance of fibroblasts, and this differed significantly from the remaining cement groups that exhibited moderate inflammation. After 30 days of observation, all groups exhibited a mild inflammatory response, predominance of fibroblasts, and a greater amount of collagen fibers. Conclusion Within the limitations of this study, it can be concluded that LDDM exhibited an acceptable biological response similar to MTA and Biodentine in the subcutaneous tissues of rats.
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Affiliation(s)
| | | | | | - Everdan Carneiro
- Department of Endodontics, Pontifical Catholic University of Paraná, Curitiba, Paraná, Brazil
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Montanhim G, Silva M, Conceição M, Rocha T, Yamashiro L, Ribeiro J, Hataka A, Moreira P, Minto B, Dias L, Moraes P. Valuation of angiogenesis in bovine xenografts implanted in intracorporal sites of rabbits as models of in-vivo bioreactors. ARQ BRAS MED VET ZOO 2021. [DOI: 10.1590/1678-4162-12374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
ABSTRACT The aim of this study was to evaluate neovascularization of bovine xenografts implanted in intracorporeal sites of rabbits (bioreactors). 30 rabbits were used, divided into 6 groups, according to the evaluation time (7, 15, 30, 45, and 60 days); each animal received xenogenic implants in 3 different intracorporeal sites (A1 - omentum bag; A2 - intermuscular space of quadriceps femoris; A3 - subperiosteal of ilium bone). Histological assessments graded the presence of angiogenesis, the number of inflammatory cells, newly formed bone tissue, and the presence of giant cells. Histological analyses showed intense angiogenesis in all implanted xenografts. Presence of inflammatory infiltrate and giant cells at the A1 implant site and presence of bone neoformation at the A3 implant site were noted. Degeneration of implants and formation of a fibrous capsule were noted. When comparing the interaction of the site with the days of evaluation, statistical analysis showed a significant difference (p≤0.05) in any time of neovascularization analysis. The vascular endothelial growth factor (VEGF) and inflammatory cells of the omentum in its structure, may have contributed to the greater presence of neovessels and inflammatory cells, a fact that may indicate functionality as a possible bone substitute.
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Comparison of Rat Connective Tissue Response to BioMTA, Angelus MTA, and Root MTA. Int J Biomater 2021; 2021:7415302. [PMID: 34512762 PMCID: PMC8424238 DOI: 10.1155/2021/7415302] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 07/30/2021] [Accepted: 08/17/2021] [Indexed: 11/17/2022] Open
Abstract
Due to the widespread use of MTA in dentistry and various brands of this product, we decided to compare the three brands available in the country market by their biocompatibility. We divided 20 male Wistar rats into four groups. After local anesthesia and washing, we made two incisions on both sides (4 incisions in total). The experimental groups were Angelus MTA (Angelus, Brazil), BioMTA (CERKAMED, Poland), Root MTA (Dr. Lotfi, Tabriz, Iran), and the control group. The resulting paste was placed in a tube and implanted subcutaneously into male Wistar rats. Wistar rats were sacrificed 7, 15, 30, and 60 days later, with high anesthetic doses. The sample implanted in 10% formalin was stabilized after tissue processing and H&E staining under a microscope. The inflammatory reaction in the tissues received different scores at the beginning of the tube opening. BioMTA had the highest inflammatory response among the groups, but the difference was not statistically significant (p > 0.05). Also, there was no significant difference between the groups' granulation and calcification (p < 0.05). There was a significant difference between BioMTA, Angelus MTA, Root MTA, and control groups in fibrous capsule formation (p < 0.05). Angelus MTA showed the lowest mean fibrous capsule formation in all periods. The effects of Angelus MTA, Root MTA, and BioMTA on connective tissue were investigated and compared. According to this study, these materials have good biocompatibility. According to the findings and statistical analysis, Angelus MTA has the most biocompatibility.
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Mena-Álvarez J, Rico-Romano C, Gutiérrez-Ortega C, Arias-Sanz P, Castro-Urda J. A Comparative Study of Biocompatibility in Rat Connective Tissue of a New Mineral Trioxide Compound (Theracal) versus MTA and a Bioactive G3 Glass. J Clin Med 2021; 10:jcm10122536. [PMID: 34201005 PMCID: PMC8226538 DOI: 10.3390/jcm10122536] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 05/25/2021] [Accepted: 06/03/2021] [Indexed: 11/20/2022] Open
Abstract
The aim of this paper was to assess the differences in tissue response to implantation during 15, 30 and 45 days in the subcutaneous connective tissue of Wistar rats from three biomaterials: Angelus MTA®, Theracal LC®, and Angelus MTA® to which 25% bioglass G3 was added. Twenty-four Wistar rats were used, the materials were inserted into the rat’s dorsal area in silicone tubes 5 mm long by 1.5 mm diameter. Histological reaction was assessed at 15, 30, and 45 days after implantation. They were then stained with hematoxylin eosin and evaluated by two observers. Data were analyzed using Fisher’s exact test and Mann–Whitney’s U test was used to determine the association between variables. Angelus MTA induced the formation of dystrophic calcifications twice as much as Theracal LC (p < 0.05). The addition of G3 did not affect the greater or lesser occurrence of calcifications (p > 0.05). Theracal LC and MTA plus G3 caused an inflammatory reaction, which was chronic at 15 days and decreased in intensity, almost disappearing after 45 days. Theracal LC, as well as Angelus MTA plus G3, were well tolerated when implanted in the subcutaneous connective tissue of rat. Histologically, no inconvenience was found for the use by direct contact of Theracal LC, and the mixture of MTA with 25% bioactive glass G3, in the tissue of Wistar rats.
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Affiliation(s)
- Jesús Mena-Álvarez
- Department of Endodontics, Faculty of Dentistry, Alfonso X El Sabio University, 28691 Madrid, Spain;
- Correspondence: or
| | - Cristina Rico-Romano
- Department of Endodontics, Faculty of Dentistry, Alfonso X El Sabio University, 28691 Madrid, Spain;
| | | | - Pablo Arias-Sanz
- Veterinary Service, Central Defense Hospital “Gomez Ulla”, 28047 Madrid, Spain;
| | - Javier Castro-Urda
- Department of Veterinary, Faculty of Veterinary, Alfonso X El Sabio University, 28691 Madrid, Spain;
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Eskandarinezhad M, Ghodrati M, Pournaghi Azar F, Jafari F, Samadi Pakchin P, Abdollahi AA, Sadrhaghighi AH, Rezvan F. Effect of Incorporating Hydroxyapatite and Zinc Oxide Nanoparticles on the Compressive Strength of White Mineral Trioxide Aggregate. JOURNAL OF DENTISTRY (SHIRAZ, IRAN) 2020; 21:300-306. [PMID: 33344680 PMCID: PMC7737922 DOI: 10.30476/dentjods.2020.82963.1034] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Statement of the Problem Many efforts have been made to improve the properties of mineral trioxide aggregate (MTA), including the incorporation of nanoparticles. Purpose The aim of this study was to investigate the incorporation of zinc oxide and hydroxyapatite nanoparticles on the compressive strength of white MTA (WMTA). Materials and Method In this in vitro study, the following materials were evaluated: MTA, MTA+5% zinc oxide (ZnO) nanoparticles, MTA+10% zinc oxide nanoparticles, MTA+5% hydroxyapatite (HA) nanoparticles, MTA+10% zinc oxide nanoparticles. The compressive strength of the groups under investigation was measured on days 4 and 21 after mixing the MTA using a universal testing machine. Two-way ANOVA test was used to compare the groups and determine the significance of the effect of time and material on the compressive strength (p<0.05). Results The highest and lowest compressive strength values were respectively measured for the second group, MTA/21 days, and the fourth group, MTA+Nano ZnO/4 days. Two-way ANOVA indicated that incorporation of zinc oxide and hydroxyapatite nanoparticles into MTA did not have a significant effect on compressive strength (p= 0.05). Compressive strength in all the groups increased over time from day 4 to day 21. However, this increase was not statistically significant (p= 0.06) except for the MTA group, which exhibited significant increase in compressive strength over time from day 4 to day 21 (p=0.007). Conclusion Incorporation of HA and ZnO nanoparticles into MTA had no detrimental effects on its strength and these nanoparticles can be used to improve the other properties of MTA.
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Affiliation(s)
- Mahsa Eskandarinezhad
- Dept. of Endodontics, Dental and Periodontal Research Center, Dental School, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mostafa Ghodrati
- Dept. of Endodontics, Dental and Periodontal Research Center, Dental School, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Fateme Pournaghi Azar
- Dental and Periodontal Research Center, Dept. of Operative Dentistry, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Farnaz Jafari
- Dept. of Endodontics, Dental and Periodontal Research Center, Dental School, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Parvin Samadi Pakchin
- Research Center for Pharmaceutical Nanotechnology, Tabriz University of Medical Sciences, Tabriz, Iran
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Histologic Evaluation of Artificial Floors Under MTA and Nano-Filled Resin-Modified Glass Ionomer Used to Repair Furcation Perforations in Dogs. Eur Endod J 2020; 5:138-144. [PMID: 32766525 PMCID: PMC7398997 DOI: 10.14744/eej.2020.44127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Accepted: 04/09/2020] [Indexed: 11/20/2022] Open
Abstract
Objective This study aimed to compare the tissue reaction of two repair materials for furcation perforations, nano-filled resin modified glass ionomer (Nano-FRMGI) and mineral trioxide aggregate (MTA), used with or without an artificial floor. Methods A total of 96 teeth in 6 dogs were used for this study. After access cavities, root canals were prepared and obturated with gutta percha using cold lateral condensation technique. Perforations were then created on the floors of the pulp chambers. The perforations divided into four groups n=24/group that were sealed with MTA alone, MTA with calcium sulphate artificial floor (CSAF), FRMGI alone and Nano-FRMGI with CSAF. All access cavities were filled with composite resin. Two dogs were sacrificed at 1, 3, and 6 month. The experimental tooth along with the surrounding alveolar bone were cut in block sections and histologically evaluated for tissue response. Data were analyzed by Chi-square (P≤0.05). Results MTA and MTA with CSAF showed more bone and cementum apposition when compared to Nano-FRMGI at 6-month interval. MTA and MTA with CSAF showed less bone resorption, epithelium proliferation and inflammation compared to Nano-FRMGI at 6-month interval. Conclusion MTA with CSAF or MTA-alone show better outcomes in the repair of pulp chamber floor perforation.
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13
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Raman spectroscopic study of the effect of the use of laser/LED phototherapy on the repair of complete tibial fracture treated with internal rigid fixation. Photodiagnosis Photodyn Ther 2020; 30:101773. [PMID: 32315779 DOI: 10.1016/j.pdpdt.2020.101773] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 03/17/2020] [Accepted: 04/02/2020] [Indexed: 11/23/2022]
Abstract
This study aimed to assess the repair of complete surgical tibial fractures fixed with internal rigid fixation (IRF) associated or not to the use of mineral trioxide aggregate (MTA) cement and treated or not with laser (λ = 780 nm, infrared) or LED (λ = 850 ± 10 nm, infrared) lights, 142.8 J/cm2 per treatment, by means of Raman spectroscopy. Open surgical tibial fractures were created on 18 rabbits (6 groups of 3 animals per group, ∼8 months old) and fractures were fixed with IRF. Three groups were grafted with MTA. The groups of IRF and IRF + MTA that received laser or LED were irradiated every other day during 15 days. Animals were sacrificed after 30 days, being the tibia surgically removed. Raman spectra were collected via the probe at the defect site in five points, resulting in 15 spectra per group (90 spectra in the dataset). Spectra were collected at the same day to avoid changes in laser power and experimental setup. The ANOVA general linear model showed that the laser irradiation of tibial bone fractures fixed with IRF and grafted with MTA had significant influence in the content of phosphate (peak ∼960 cm-1) and carbonated (peak ∼1,070 cm-1) hydroxyapatites as well as collagen (peak 1,452 cm-1). Also, peaks of calcium carbonate (1,088 cm-1) were found in the groups grafted with MTA. Based on the Raman spectroscopic data collected in this study, MTA has been shown to improve the repair of complete tibial fractures treated with IRF, with an evident increase of collagen matrix synthesis, and development of a scaffold of hydroxyapatite-like calcium carbonate with subsequent deposition of phosphate hydroxyapatite.
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The Response of the Pulp-Dentine Complex, PDL, and Bone to Three Calcium Silicate-Based Cements: A Histological Study in an Animal Rat Model. Bioinorg Chem Appl 2020; 2020:9582165. [PMID: 32351551 PMCID: PMC7174911 DOI: 10.1155/2020/9582165] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Accepted: 01/03/2020] [Indexed: 12/18/2022] Open
Abstract
Objective The aim of this study was to histologically examine the tissue reaction of three different calcium silicate cements in the closure of perforations in rat incisor teeth. Material and Methods. An experimental lateral root perforation with pulp exposure was performed in 32 lower incisors of 16 male Wistar albino rats. They were randomly assigned into three test groups (each including eight teeth) that were filled either by Biodentine (BD) or MicroMega mineral trioxide aggregate (MM-MTA) or EndoSequence root repair material putty (ESRRM putty), besides eight unperforated incisors from the other four rats (control group). The inflammatory response and healing process were evaluated histologically and scored after one and four weeks. Differences among groups were tested by Kruskal-Wallis tests at P ≤ 0.05. Results In the first week, BD produced more inflammatory response in the pulpal (score 3) than other materials (score 2). Only ESRRM putty showed odontoblast-like cells in 50%, 25% dentine-like deposit, 25% evidence of bone deposition in the drilling site (score 2), and minimum periodontal ligament (PDL) necrosis and disorganization (25%, score 2). After one month, all groups had healthy pulpal tissue, but 25% of ESRRM putty retained score 1 inflammatory response, and 50% of the BD case had an incomplete palisading odontoblast layer (score 3). A thick and regular dentine bridge deposition was seen in the ESRRM putty group in comparison with MM-MTA and BD cases. The cortical plate healing in all ESRRM putty samples was complete (score 3), while an incomplete closure was seen in MM-MTA and BD groups (score 2). Both the MM-MTA and ESRRM putty groups had fully organized PDL (score 2), while in 50% of BD cases, a necrotizing area and disorganized PDL with inflammatory cells infiltration were still present. Statistically significant differences in the scores of any histologic parameters among the three tested materials were observed neither in the 1st nor in the 4th weeks of the experimental period. Conclusion Better tissue compatibility and repair of pulpal and periodontal tissue have been detected after lateral perforation in the root of rat incisors when treated with ESRRM putty than MM-MTA and BD. However, the difference was not significant.
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Karabulut B, Dönmez N, Göret CC, Ataş C, Kuzu Ö. Reactions of Subcutaneous Connective Tissue to Mineral Trioxide Aggregate, Biodentine®, and a Newly Developed BioACTIVE Base/Liner. SCANNING 2020; 2020:6570159. [PMID: 32518612 PMCID: PMC7254077 DOI: 10.1155/2020/6570159] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 05/06/2020] [Accepted: 05/07/2020] [Indexed: 05/12/2023]
Abstract
AIM There is an increasing interest in the application of BioACTIVE materials to achieve hard tissue formation and maintain pulp vitality. Mineral trioxide aggregate (MTA) and Biodentine® are BioACTIVE materials used for pulp capping. Recently, dental researchers have produced BioACTIVE glass-incorporated light-curable pulp capping material. The study is aimed at evaluating the subcutaneous connective tissue reactions to MTA, Biodentine®, ACTIVA BioACTIVE Base/Liner. These materials were placed in polyethylene tubes and implanted into the dorsal connective tissue of Sprague Dawley rats. The presence of inflammation, predominant cell type, calcification, and thickness of fibrous connective tissue was recorded by histological examination 7, 30, and 60 days after the implantation procedure. Scores were defined as follows: 0 = none or few inflammatory cells, no reaction; 1 = <25 cells, mild reaction; 2 = 25 to 125 cells, moderate reaction; and 3 = ≥125 cells, severe reaction. Fibrous capsule thickness, necrosis, and formation of calcification were recorded. ANOVA and post hoc Dunnett's tests were used for statistically analyses (p < 0.05). RESULTS In terms of oedema, inflammation, fibrous capsule, and necrosis, no significant differences were found in any time period for any material. MTA and Biodentine® showed higher calcification than in the ACTIVA BioACTIVE on day 30, and the difference was statistically significant (p < 0.05). After 60 days, while calcification was not seen in the control group, it was observed in the test groups. There was a statistically significant difference between the control and the others. CONCLUSION All materials were well tolerated by the tissues in the 60-day evaluation period. One notable finding is the presence of dystrophic calcification in the connective tissue adjacent to the newly developed BioACTIVE Base/Liner material. Therefore, this new BioACTIVE Base/Liner material may be safely recommended to clinicians as a pulp capping material.
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Affiliation(s)
- Barış Karabulut
- Health Sciences University Faculty of Dentistry Department of Pedodontics, Istanbul, Turkey
| | - Nazmiye Dönmez
- Bezmialem Vakif University Faculty of Dentistry Department of Restorative Dentistry, Istanbul, Turkey
| | - Ceren Canbey Göret
- Health Sciences University Department of Surgical Pathology, Bagcilar Research and Education Hospital, Istanbul, Turkey
| | - Cafer Ataş
- Health Sciences University Faculty of Dentistry Department of Pedodontics, Istanbul, Turkey
| | - Özlem Kuzu
- Health Sciences University Faculty of Dentistry Department of Pedodontics, Istanbul, Turkey
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16
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Pappen FG, Xavier SR, Pilownic KJ, Santos LGP, Gomes APN, Felix AC, Demarco FF, Souza EM. Impact of infected and noninfected human dentine debris on bone healing in rats. Int Endod J 2019; 52:1679-1690. [DOI: 10.1111/iej.13178] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 06/24/2019] [Indexed: 11/28/2022]
Affiliation(s)
- F. G. Pappen
- Graduate Program in Dentistry Federal University of Pelotas PelotasBrazil
| | - S. R. Xavier
- Graduate Program in Dentistry Federal University of Pelotas PelotasBrazil
| | - K. J. Pilownic
- Graduate Program in Dentistry Federal University of Pelotas PelotasBrazil
| | - L. G. P. Santos
- Graduate Program in Dentistry Federal University of Pelotas PelotasBrazil
| | - A. P. N. Gomes
- Graduate Program in Dentistry Federal University of Pelotas PelotasBrazil
| | - A. C. Felix
- Central Vivarium Federal University of Pelotas PelotasBrazil
| | - F. F. Demarco
- Graduate Program in Dentistry Federal University of Pelotas PelotasBrazil
| | - E. M. Souza
- Department of Dentistry II Federal University of Maranhão São Luis Brazil
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17
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Almeida LH, Gomes APN, Gastmann AH, Pola NM, Moraes RR, Morgental RD, Cava SS, Felix AOC, Pappen FG. Bone tissue response to an MTA-based endodontic sealer, and the effect of the addition of calcium aluminate and silver particles. Int Endod J 2019; 52:1446-1456. [PMID: 31034099 DOI: 10.1111/iej.13135] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Accepted: 04/24/2019] [Indexed: 10/26/2022]
Abstract
AIM To evaluate bone tissue reactions in rats to an MTA-based endodontic sealer with and without the addition of various concentrations of C3A or C3A + Ag. METHODOLOGY Bone tissue reactions were evaluated in 45 Wistar rats after 7, 30 and 90 days (n = 5 per period). Three surgical cavities were prepared on the right femur and filled with 0.2 mL MTA Fillapex, MTA Fillapex + C3A and C3A + Ag at various concentrations: AH Plus (Dentsply DeTrey GmbH, Konstanz, Germany), EndoSequence BC (Brasseler USA, Savannah, GA, USA) or no sealer (negative control). By the end of each experimental period, animals were randomly euthanized. The samples were histologically processed and analysed using a light microscope. The presence of inflammatory cells, fibres and hard tissue barrier formation was evaluated. Data were analysed statistically using nonparametric tests to compare the differences between groups. Multiple groups were compared using the Kruskal-Wallis and Mann-Whitney U-tests with a Bonferroni correction at P = 0.05. RESULTS The inflammatory response significantly decreased from 30 to 90 days (P < 0.05). Fibre condensation was similar amongst the groups at 07 and 30 days after intervention (P > 0.05). At 90 days, however, fibres were absent in most specimens of EndoSequence BC Sealer, AH Plus, MTA Fillapex and the control group, whilst they were still observed in samples of the modified sealers (P < 0.05). At 90 days, all specimens of AH Plus, EndoSequence BC Sealer and control group had complete formation of hard tissue barrier. In the MTA Fillapex group, as well as in the modified sealers groups, partial deposition of mineralized tissue was noticed. CONCLUSION The hypothesis tested that the incorporation of C3A and C3A + Ag particles to MTA Fillapex would improve bone tissue repair was partially accepted, since modified MTA Fillapex did not have the same repair potential as the commercial bioceramic material.
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Affiliation(s)
- L H Almeida
- Graduate Program in Dentistry, Federal University of Pelotas, Pelotas, Brazil
| | - A P N Gomes
- Graduate Program in Dentistry, Federal University of Pelotas, Pelotas, Brazil
| | - A H Gastmann
- Graduate Program in Dentistry, Federal University of Pelotas, Pelotas, Brazil
| | - N M Pola
- Graduate Program in Dentistry, Federal University of Pelotas, Pelotas, Brazil
| | - R R Moraes
- Graduate Program in Dentistry, Federal University of Pelotas, Pelotas, Brazil
| | - R D Morgental
- Graduate Program in Dentistry, Federal University of Pelotas, Pelotas, Brazil.,Department of Stomatology, School of Dentistry, Federal University of Santa Maria, Santa Maria, Brazil
| | - S S Cava
- School of Materials Engineering, Federal University of Pelotas, Pelotas, Brazil
| | - A O C Felix
- School of Materials Engineering, Federal University of Pelotas, Pelotas, Brazil
| | - F G Pappen
- Graduate Program in Dentistry, Federal University of Pelotas, Pelotas, Brazil
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Romano T, Jammal MV, Nakano K, Rusco AG, Fassi JO, Kozuszko S, Takabatake K, Nagatsuka H, Missana LR. In Vivo Tissue Response of Endodontic Bio-ceramic Materials. J HARD TISSUE BIOL 2019. [DOI: 10.2485/jhtb.28.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Teresita Romano
- Experimental Pathology and Tissue Engineering Laboratory, Oral Pathology Department, Dental School, Tucumán University
| | - María Victoria Jammal
- Experimental Pathology and Tissue Engineering Laboratory, Oral Pathology Department, Dental School, Tucumán University
| | - Keisuke Nakano
- Department of Oral Pathology and Medicine, Graduate School of Medicine, dentistry and Pharmaceutical Sciences, Okayama University
| | | | | | - Silvia Kozuszko
- Experimental Pathology and Tissue Engineering Laboratory, Oral Pathology Department, Dental School, Tucumán University
| | - Kiyofumi Takabatake
- Department of Oral Pathology and Medicine, Graduate School of Medicine, dentistry and Pharmaceutical Sciences, Okayama University
| | - Hitoshi Nagatsuka
- Department of Oral Pathology and Medicine, Graduate School of Medicine, dentistry and Pharmaceutical Sciences, Okayama University
| | - Liliana Raquel Missana
- Experimental Pathology and Tissue Engineering Laboratory, Oral Pathology Department, Dental School, Tucumán University
- PROIMI-Biotechnology, CONICET, Pilot Plant for Microbial Industrial Processes and Biotechnology
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Ćetenović B, Čolović B, Vasilijić S, Prokić B, Pašalić S, Jokanović V, Tepavčević Z, Marković D. Nanostructured endodontic materials mixed with different radiocontrast agents-biocompatibility study. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2018; 29:190. [PMID: 30536136 DOI: 10.1007/s10856-018-6200-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Accepted: 11/29/2018] [Indexed: 06/09/2023]
Abstract
The aim of this study was to investigate the biocompatibility of nanostructured materials based on highly active calcium silicates mixed with different radiocontrast agents in comparison to MTA+ using in vitro and in vivo model. Morphology of materials' samples was analyzed using SEM while the phase compositions were identified by XRD. pH values of materials' suspensions were conducted by pH-meter. The cytotoxicity of materials' solutions was tested by MTT test (100, 50, 25 and 12.5 mg/ml). LDH and 3H-thymidine assay were utilized for biocompatibility investigations of materials' eluates (24 h, 7 day and 21 day). Eighteen Guinea pigs were used for intramuscular implantation, as teflon tubes with freshly prepared materials were placed into intramuscular pockets. All samples were composed of round and needle-like particles equally distributed with Ca/Si ratio ~2.7 at%, with the presence of hydrated calcium silicate phases. The pH values of ALBO-MPCA1 and ALBO-MPCA2 were high alkaline, while in case of MTA+ they were lower and continuously declined (p < 0.05). Investigated materials didn't exhibit dose-dependent effect on metabolic activity of L929 cells (p > 0.05). Significant differences in the percentage of cytotoxicity between diluted and undiluted extracts between all tested materials after 24 h and 7 day were noticed (p < 0.05). Increase in L929 cells proliferation was noticed in case of undiluted eluates of ALBO-MPCA1 and ALBO-MPCA2 after 7 day (p < 0.05). There were no statistically significant differences in the intensity of inflammatory response between investigated materials and control group after 60 day (p > 0.05). Evaluation of biocompatibility of both ALBO-MPCA1 and ALBO-MPCA2 indicate their potential clinical use.
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Affiliation(s)
- Bojana Ćetenović
- Vinca Institute of Nuclear Sciences, Mike P. Alasa 12-14, Belgrade, 11001, Serbia.
| | - Božana Čolović
- Vinca Institute of Nuclear Sciences, Mike P. Alasa 12-14, Belgrade, 11001, Serbia
| | - Saša Vasilijić
- Institute for Medical Research, Military Medical Academy, Faculty of Medicine, University of Defense, Crnotravska 17, Belgrade, 11000, Serbia
| | - Bogomir Prokić
- Faculty of Veterinary Medicine, University of Belgrade, Bulevar oslobodjenja 18, Belgrade, 11000, Serbia
| | - Snežana Pašalić
- Vinca Institute of Nuclear Sciences, Mike P. Alasa 12-14, Belgrade, 11001, Serbia
| | - Vukoman Jokanović
- Vinca Institute of Nuclear Sciences, Mike P. Alasa 12-14, Belgrade, 11001, Serbia
| | - Zvezdana Tepavčević
- School of Dental Medicine, University of Belgrade, Dr. Subotica 11, Belgrade, 11000, Serbia
| | - Dejan Marković
- School of Dental Medicine, University of Belgrade, Dr. Subotica 11, Belgrade, 11000, Serbia
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20
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Moraes PCD, Marques ICDS, Basso FG, Rossetto HL, Pires-de-Souza FDCP, Costa CADS, Garcia LDFR. Repair of Bone Defects with Chitosan-Collagen Biomembrane and Scaffold Containing Calcium Aluminate Cement. Braz Dent J 2018; 28:287-295. [PMID: 29297548 DOI: 10.1590/0103-6440201601454] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Accepted: 04/03/2017] [Indexed: 12/21/2022] Open
Abstract
Innovative biomaterials can provide a promising new direction for the treatment of bone defects, stimulating a proper repair process, with no damage to adjacent tissues. The purpose of this in vivo study was to evaluate the biocompatibility and the osteoinductive capacity of chitosan-collagen biomembrane and scaffold containing calcium aluminate cement. Eighteen New Zealand white rabbits (Oryctolagus cuniculus) were distributed according to the experimental times of analysis (7, 15 and 30 days). Four bone defects were created in the rabbits calvaria, which were individually filled with the biomembrane, scaffold, blood clot (negative control) and autologous bone (positive control). Histopathological analysis was performed using optical microscope at 32´, 64´, 125´ and 320´ magnifications. Cell response to inflammation and new bone tissue formation was quantified using a score system. The biomembrane group presented greater inflammatory response at 15 days, with significant difference to autologous bone group (p<0.05). There was no statistically significant difference for foreign body type reaction among groups (p>0.05). Concerning new bone formation, linear closure of the defect area was observed more evidently in the group with autologous bone. The scaffold group presented similar results compared with the autologous bone group at 30 days (p>0.05). Both tested biomaterials presented similar biocompatibility compared with the control groups. In addition, the biomembrane and scaffold presented similar osteoinductive capacity, stimulating bone repair process in the course of the experimental time intervals.
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Affiliation(s)
- Paola Castro de Moraes
- Department of Clinics and Surgery, Jaboticabal School of Agricultural and Veterinary Sciences, UNESP - Universidade Estadual Paulista, Jaboticabal, SP, Brazil
| | | | - Fernanda Gonçalves Basso
- Department of Physiology and Pathology, Araraquara Dental School, UNESP - Universidade Estadual Paulista, Araraquara, SP, Brazil
| | | | | | - Carlos Alberto de Souza Costa
- Department of Physiology and Pathology, Araraquara Dental School, UNESP - Universidade Estadual Paulista, Araraquara, SP, Brazil
| | - Lucas da Fonseca Roberti Garcia
- Department of Dentistry - Endodontics Division, Health Sciences Center, UFSC - Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
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Pilownic KJ, Gomes APN, Wang ZJ, Almeida LHS, Romano AR, Shen Y, Felix ADOC, Haapasalo M, Pappen FG. Physicochemical and Biological Evaluation of Endodontic Filling Materials for Primary Teeth. Braz Dent J 2018; 28:578-586. [PMID: 29215682 DOI: 10.1590/0103-6440201701573] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Accepted: 07/10/2017] [Indexed: 11/22/2022] Open
Abstract
This study assessed the pH, radiopacity, antimicrobial effect, cytotoxicity and biocompatibility of endodontic filling materials for primary teeth. Zinc oxide eugenol (ZOE), Vitapex and Calen paste thickened with zinc oxide (ZO) were evaluated in comparison to an experimental MTA-based material. Radiopacity was tested using a graduated aluminum stepwedge with a digital sensor (n=5). The materials pH was recorded at 1, 4, 12 h; 1, 3, 7, 15 and 30 days (n=5). Direct contact test was used to assess the antimicrobial efficacy against Enterococcus faecalis after 1, 4, 12, 24 h (n=5). Cytotoxicity assay used MTT test for cell viability after incubation for 1, 3 and 7 days (n=5). For biocompatibility test, Wistar rats had received implants containing each material (n=5). The biopsied tissues were histologically analyzed after 15, 30 and 60 days. The results of radiopacity, pH, antimicrobial capacity and cytotoxicity were analyzed using ANOVA and Tukey tests. The histological data were submitted to Kruskal-Wallis test. The experimental material presented the lowest radiopacity (3.28 mm Al) and had a pH>12.0 throughout the test period. The experimental material showed the highest antibacterial effect, killing over 99.97% bacteria in 4 h. Vitapex presented the highest cell viability. Initially, biocompatibility test showed moderate to severe inflammation in all groups. After 60 days, Calen+ZO group showed moderate inflammation, while the others showed predominantly mild inflammatory reaction. The present results demonstrated that the experimental MTA-based material exhibited satisfactory behavior regarding the studied properties. Additional in vivo studies are necessary for a better evaluation of the material.
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Affiliation(s)
| | | | - Zhe Jun Wang
- Dental School, University of British Columbia, Vancouver, BC, Canada
| | | | - Ana Regina Romano
- Graduate Program in Dentistry, UFPel - Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Ya Shen
- Dental School, University of British Columbia, Vancouver, BC, Canada
| | | | - Markus Haapasalo
- Dental School, University of British Columbia, Vancouver, BC, Canada
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Tsai CL, Ke MC, Chen YH, Kuo HK, Yu HJ, Chen CT, Tseng YC, Chuang PC, Wu PC. Mineral trioxide aggregate affects cell viability and induces apoptosis of stem cells from human exfoliated deciduous teeth. BMC Pharmacol Toxicol 2018; 19:21. [PMID: 29764492 PMCID: PMC5952617 DOI: 10.1186/s40360-018-0214-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Accepted: 05/03/2018] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Mineral trioxide aggregate (MTA) is widely used for pulp-capping procedures in permanent teeth and as a gold standard material in endodontics. The aim of the study was to investigate the effect of MTA on cell viability and apoptosis when MTA is directly in contact with Stem Cells from Human Exfoliated Deciduous Teeth (SHEDs). METHODS MTA was mixed and coated in the bottom of a 24-well plate. SHEDs collected and cultured from normal exfoliated human deciduous teeth (passages 3-4) were seeded on square cover glasses. The glasses with seeded SHEDs were incubated in the plates with or without MTA coating. They were divided into four groups: MTA direct contact, direct control, MTA indirect contact, and indirect control. After 1, 2 and 3 days of culturing, cell morphology was observed and cell viability was assessed by the WST-1 cell cytotoxicity assay. TUNEL assay, immunofluorescent labeling and western blot analysis were used to study the effects of MTA on SHEDs apoptosis. RESULTS MTA impaired cell viability of SHEDs in 1, 2 and 3 days, and the effect of direct contact was more severe. Cell apoptosis with positive Annexin V and TUNEL staining was noted when there was direct contact with MTA. Western blot analysis revealed that Bcl-2 and Bcl-xL decreased after SHEDs were in contact with MTA. CONCLUSIONS This study shows that direct contact with 1 week post-set MTA significantly decreases the viability of SHEDs and induced cell apoptosis. The results suggest that there is a possible cytotoxic effect of pulp tissue when there is direct contact with MTA. Different responses would be expected due to the strong alkaline characteristics of fresh mixed MTA.
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Affiliation(s)
- Chia-Ling Tsai
- Department of Dentistry, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Mu-Chan Ke
- Department of Dentistry, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Yi-Hao Chen
- Department of Ophthalmology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, 123, Da-Pi Road, Niao-Sung District, Kaohsiung, 88301, Taiwan, Republic of China
| | - Hsi-Kung Kuo
- Department of Ophthalmology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, 123, Da-Pi Road, Niao-Sung District, Kaohsiung, 88301, Taiwan, Republic of China
| | - Hun-Ju Yu
- Department of Ophthalmology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, 123, Da-Pi Road, Niao-Sung District, Kaohsiung, 88301, Taiwan, Republic of China
| | - Chueh-Tan Chen
- Department of Ophthalmology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, 123, Da-Pi Road, Niao-Sung District, Kaohsiung, 88301, Taiwan, Republic of China
| | - Ya-Chi Tseng
- Department of Ophthalmology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, 123, Da-Pi Road, Niao-Sung District, Kaohsiung, 88301, Taiwan, Republic of China
| | - Pei-Chin Chuang
- Department of Medical Research, Kaohsiung Chang Gung Memorial Hospital, and Chang Gung University College of Medicine, Kaohsiung, Taiwan.,Center for Translational Research in Biomedical Sciences, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
| | - Pei-Chang Wu
- Department of Ophthalmology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, 123, Da-Pi Road, Niao-Sung District, Kaohsiung, 88301, Taiwan, Republic of China.
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Özyurek T, Uslu G, Yilmaz K. Push-out bond strength of intra-orifice barrier materials: Bulk-fill composite versus calcium silicate cement. J Dent Res Dent Clin Dent Prospects 2018; 12:6-11. [PMID: 29732015 PMCID: PMC5928476 DOI: 10.15171/joddd.2018.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Accepted: 01/01/2018] [Indexed: 11/09/2022] Open
Abstract
Background. The aim of this study was to compare the push-out bond strengths of calcium silicate-based ProRoot MTA and Biodentine cements and SureFil SDR and EverX Posterior bulk-fill composite resins.
Methods. Twenty-four single-rooted maxillary central incisors were sectioned below the cementoenamel junction, and the root canals were instrumented using rotary files. Thereafter, a parallel post drill was used to obtain a standardized root canal dimension. The roots were randomly assigned to one of the following groups with respect to the intra-orifice barrier used: ProRoot MTA; Biodentine; SureFil SDR; EverX Posterior. Five 1-mm-thick sections were obtained from the coronal aspect of each root. Push-out bond strength testing was performed and data were analyzed with Kruskal-Wallis and post hoc Dunn tests (P<0.05).
Results. SureFil SDR and EverX Posterior bulk-fill composite resins’ bond strengths were significantly higher than ProRoot MTA and Biodentine calcium silicate cements. However, no statistically significant differences were observed between bulk-fill composite resins values and calcium silicate cement values.
Conclusion. Within the limitations of present study, calcium silicate-based ProRoot MTA cement’s push-out bond strength was lower than those of Biodentine, SureFil SDR and EverX Posterior materials.
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Affiliation(s)
- Taha Özyurek
- Ondokuz Mayis University, Faculty of Dentistry, Department of Endodontics, Samsun, Turkey
| | - Gülşah Uslu
- Ondokuz Mayis University, Faculty of Dentistry, Department of Endodontics, Samsun, Turkey
| | - Koray Yilmaz
- Çorum Oral and Dental Health Hospital Çorum, Turkey
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Laser/LED phototherapy on the repair of tibial fracture treated with wire osteosynthesis evaluated by Raman spectroscopy. Lasers Med Sci 2018; 33:1657-1666. [PMID: 29687410 DOI: 10.1007/s10103-018-2508-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Accepted: 04/10/2018] [Indexed: 12/17/2022]
Abstract
The aim of the present study was to assess, by means of Raman spectroscopy, the repair of complete surgical tibial fractures fixed with wire osteosynthesis (WO) treated or not with infrared laser (λ780 nm) or infrared light emitting diode (LED) (λ850 ± 10 nm) lights, 142.8 J/cm2 per treatment, associated or not to the use of mineral trioxide aggregate (MTA) cement. Surgical tibial fractures were created on 18 rabbits, and all fractures were fixed with WO and some groups were grafted with MTA. Irradiated groups received lights at every other day during 15 days, and all animals were sacrificed after 30 days, being the tibia removed. The results showed that only irradiation with either laser or LED influenced the peaks of phosphate hydroxyapatite (~ 960 cm-1). Collagen (~ 1450 cm-1) and carbonated hydroxyapatite (~ 1070 cm-1) peaks were influenced by both the use of MTA and the irradiation with either laser or LED. It is concluded that the use of either laser or LED phototherapy associated to MTA cement was efficacious on improving the repair of complete tibial fractures treated with wire osteosynthesis by increasing the synthesis of collagen matrix and creating a scaffold of calcium carbonate (carbonated hydroxyapatite-like) and the subsequent deposition of phosphate hydroxyapatite.
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Cetenovic B, Prokic B, Vasilijic S, Dojcinovic B, Magic M, Jokanovic V, Markovic D. Biocompatibility Investigation of New Endodontic Materials Based on Nanosynthesized Calcium Silicates Combined with Different Radiopacifiers. J Endod 2018; 43:425-432. [PMID: 28231981 DOI: 10.1016/j.joen.2016.10.041] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2016] [Revised: 10/25/2016] [Accepted: 10/28/2016] [Indexed: 11/29/2022]
Abstract
INTRODUCTION The aim of this article was to analyze biocompatibility and bioactivity of new endodontic materials on the basis of nanosynthesized calcium silicates (ALBO-MPCA1 and ALBO-MPCA2) combined with different radiopacifiers in comparison with MTA+. METHODS Morphology of the samples was studied by scanning electron microscopy, and the pH and ion release analysis were also assessed. Biocompatibility of materials' eluates (24-hour, 7-day, and 21-day) was conducted by using MTT test. Twelve New Zealand white rabbits were used for intraosseous implantation. Four calvarial defects per animal were created and filled with freshly prepared investigated materials. RESULTS Samples mostly consisted of agglomerates built up from nanoparticles, preferably spherical and rod-like. There was no significant difference among pH values of materials' eluates after 24 hours (P > .05). The amount of calcium and aluminum ion release decreased, whereas the amount of magnesium and bismuth (ALBO-MPCA1, MTA+) and barium (ALBO-MPCA2) increased during 21-day period. The metabolic activity of cells increased after the extraction time, except in case of undiluted elutes of ALBO-MPCA2 and ALBO-MPCA1 (21-day). Histologic analysis of the samples revealed newly formed bone tissue with moderate inflammation for all investigated materials, which subsided during 90-day period to mild. Both MTA+ and ALBO-MPCA1 were in direct contact with the newly formed bone tissue. After 90 days, statistically significant difference in hard tissue formation was observed in comparison of MTA+ and ALBO-MPCA1 with control group (P < .05). CONCLUSIONS Experimental materials ALBO-MPCA1 and ALBO-MPCA2 possess both biocompatibility and bioactivity. Because ALBO-MPCA1 provokes favorable biological response, it is especially good candidate for further clinical investigations.
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Affiliation(s)
- Bojana Cetenovic
- Clinic for Pediatric and Preventive Dentistry, School of Dentistry, University of Belgrade, Belgrade, Serbia.
| | - Bogomir Prokic
- Department of Surgery, Orthopedy and Ophtalmology, Faculty of Veterinary Medicine, University of Belgrade, Belgrade, Serbia
| | - Sasa Vasilijic
- Institute for Medical Research, Military Medical Academy, Faculty of Medicine, University of Defense, Belgrade, Serbia
| | - Biljana Dojcinovic
- Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Belgrade, Serbia
| | - Marko Magic
- Department of Oral Surgery, School of Dentistry, University of Belgrade, Belgrade, Serbia
| | - Vukoman Jokanovic
- Department of Atomic Physics, Vinca Institute of Nuclear Sciences, Belgrade, Serbia
| | - Dejan Markovic
- Clinic for Pediatric and Preventive Dentistry, School of Dentistry, University of Belgrade, Belgrade, Serbia
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Qian H, Ding Y, Wu Y, Li S. The effects of three modified Hank's balanced salt solutions on root resorption of late replanted teeth: A pilot study. J Craniomaxillofac Surg 2018; 46:808-814. [PMID: 29545029 DOI: 10.1016/j.jcms.2018.02.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Revised: 02/01/2018] [Accepted: 02/13/2018] [Indexed: 11/30/2022] Open
Abstract
PURPOSE The purpose of this study was to evaluate the effects of replanted rats' teeth that had been soaked in one of three modified Hank's balanced salt solutions (HBSSs) before replantation and after extended extra-oral dry time. MATERIALS AND METHODS Maxillary right incisors were extracted from 55 Wistar rats and kept dry for 30 or 60 min (n = 5 each). Afterwards, the pulp was extirpated and both the papilla and enamel organ were removed with a scalpel. Each group of teeth was soaked in one of three modified HBSSs or HBSS alone. After 30 min of immersion in solutions, the root canals were dried and filled with calcium hydroxide paste, and the teeth were replanted. After 8 weeks, animals were euthanized; then, specimens were processed as 5 μm-thick serial sections for histological examination and morphometric assessments. RESULTS The percentages of root resorption for the groups were found to be in the following order: HBSS3 (the bFGF group) > the HBSS only group > HBSS2 (the GSH group) > no soaking (the positive control group) > HBSS1 (the ALN group) for 30 min and the positive control group > the HBSS only group > HBSS2 > HBSS3 > HBSS1 for 60 min. The lowest incidence of resorption was observed in immediately replanted teeth (negative control). CONCLUSIONS The findings of this study suggest that soaking for 30 min in HBSS containing 1 mM alendronate can significantly inhibit root resorption for avulsed teeth that have been dried for 60 min.
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Affiliation(s)
- Hanyu Qian
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai 200072, China
| | - Yunpeng Ding
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai 200072, China
| | - Yangou Wu
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai 200072, China
| | - Shengjiao Li
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai 200072, China.
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Root lengthening with apical closure in two maxillary immature permanent central incisors after placement of mineral trioxide aggregate (MTA) as an apical plug. Eur Arch Paediatr Dent 2018; 19:65-71. [DOI: 10.1007/s40368-017-0323-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Accepted: 12/14/2017] [Indexed: 12/22/2022]
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Ha WN, Nicholson T, Kahler B, Walsh LJ. Mineral Trioxide Aggregate-A Review of Properties and Testing Methodologies. MATERIALS (BASEL, SWITZERLAND) 2017; 10:E1261. [PMID: 29099082 PMCID: PMC5706208 DOI: 10.3390/ma10111261] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Revised: 10/23/2017] [Accepted: 10/24/2017] [Indexed: 11/16/2022]
Abstract
Mineral trioxide aggregate (MTA) restoratives and MTA sealers are commonly used in endodontics. Commonly referenced standards for testing of MTA are ISO 6876, 9917-1 and 10993. A PubMed search was performed relating to the relevant tests within each ISO and "mineral trioxide aggregate". MTA restoratives are typically tested with a mixture of tests from multiple standards. As the setting of MTA is dependent upon hydration, the results of various MTA restoratives and sealers are dependent upon the curing methodology. This includes physical properties after mixing, physical properties after setting and biocompatibility. The tests of flow, film thickness, working time and setting time can be superseded by rheology as it details how MTA hydrates. Physical property tests should replicate physiological conditions, i.e. 37 °C and submerged in physiological solution. Biocompatibility tests should involve immediate placement of samples immediately after mixing rather than being cured prior to placement as this does not replicate clinical usage. Biocompatibility tests should seek to replicate physiological conditions with MTA tested immediately after mixing.
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Affiliation(s)
- William N Ha
- School of Dentistry, University of Queensland, Herston, Brisbane 4004, Australia.
| | - Timothy Nicholson
- School of Chemical Engineering, University of Queensland, St. Lucia, Brisbane 4067, Australia.
| | - Bill Kahler
- School of Dentistry, University of Queensland, Herston, Brisbane 4004, Australia.
| | - Laurence J Walsh
- School of Dentistry, University of Queensland, Herston, Brisbane 4004, Australia.
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Longo DL, Fumes AC, Küchler EC, Paula-Silva FWG, Nelson-Filho P, Silva LAB. Efficiency of different storage media for avulsed teeth in animal models: a systematic review. Dent Traumatol 2017; 34:12-19. [DOI: 10.1111/edt.12365] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/26/2017] [Indexed: 11/28/2022]
Affiliation(s)
- Daniele L. Longo
- Departamento de Clínica Infantil; Faculdade de Odontologia de Ribeirão Preto; Universidade de São Paulo; Ribeirão Preto Brasil
| | - Ana C. Fumes
- Departamento de Clínica Infantil; Faculdade de Odontologia de Ribeirão Preto; Universidade de São Paulo; Ribeirão Preto Brasil
| | - Erika C. Küchler
- Departamento de Clínica Infantil; Faculdade de Odontologia de Ribeirão Preto; Universidade de São Paulo; Ribeirão Preto Brasil
| | - Francisco W. G. Paula-Silva
- Departamento de Clínica Infantil; Faculdade de Odontologia de Ribeirão Preto; Universidade de São Paulo; Ribeirão Preto Brasil
| | - Paulo Nelson-Filho
- Departamento de Clínica Infantil; Faculdade de Odontologia de Ribeirão Preto; Universidade de São Paulo; Ribeirão Preto Brasil
| | - Léa A. B. Silva
- Departamento de Clínica Infantil; Faculdade de Odontologia de Ribeirão Preto; Universidade de São Paulo; Ribeirão Preto Brasil
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Dinçol ME, Ozbas H, Yılmaz B, Ersev H, Gokyay S, Olgac V. Effect of the plant-based hemostatic agent Ankaferd Blood Stopper® on the biocompatibility of mineral trioxide aggregate. BMC Oral Health 2016; 16:111. [PMID: 27724900 PMCID: PMC5057429 DOI: 10.1186/s12903-016-0302-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2016] [Accepted: 09/23/2016] [Indexed: 12/02/2022] Open
Abstract
Background Due to the detrimental effect of blood contamination on the physico-chemical properties of mineral trioxide aggregate (MTA), obtaining an effective hemostasis in the surgical crypt during apical surgery is of paramount importance. The purpose of this in vivo study was to analyze the effect of Ankaferd Blood Stopper® (ABS) contamination on the biocompatibility of MTA. Methods Forty of 56 Wistar–Albino rats were divided randomly and equally into two groups (MTA and MTA-ABS) according to whether or not a hemostatic agent was used. The remaining 16 rats were designated as the control group. Rats in the experimental groups received freshly mixed MTA-Angelus in polyethylene tubes, which were inserted into monocortical bore holes created in their tibias. In the MTA-ABS group only, 0.5 mL of ABS solution was administered topically on the defect sites followed by implantation of MTA tubes. Inflammation, foreign-body reaction (FBR), necrosis, fibrosis, and new bone formation (NBF) were studied 7, 30, 60, and 90 days after implantation. Results On day7, statistically significant differences were found in tissue reactions with regard to NBF and necrosis (p = 0.044 and p = 0.024, respectively), the latter being observed in 40 % of the samples only in the MTA-ABS group. Slight inflammation in all groups was confined to day-7 only. Mild necrosis was present in the MTA-ABS group only on day-7. Severity of the foreign body reaction and fibrosis was limited. New bone formation increased gradually over time in all groups, reaching a maximum on day-90. Conclusions MTA and ABS-contaminated MTA are equally biocompatible. ABS does not impair the properties of MTA. Electronic supplementary material The online version of this article (doi:10.1186/s12903-016-0302-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Muzaffer Emir Dinçol
- Faculty of Dentistry, Department of Endodontics, Istanbul University, 34093, Fatih, Istanbul, Turkey.
| | - Hakan Ozbas
- Faculty of Dentistry, Department of Endodontics, Istanbul University, 34093, Fatih, Istanbul, Turkey
| | - Bulent Yılmaz
- Faculty of Dentistry, Department of Endodontics, Istanbul University, 34093, Fatih, Istanbul, Turkey
| | - Handan Ersev
- Faculty of Dentistry, Department of Endodontics, Istanbul University, 34093, Fatih, Istanbul, Turkey
| | - Selcuk Gokyay
- Faculty of Dentistry, Department of Endodontics, Istanbul University, 34093, Fatih, Istanbul, Turkey
| | - Vakur Olgac
- Institute of Oncology, Department of Tumor Pathology and Cytology, Istanbul University, 34093, Fatih, Istanbul, Turkey
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Taha NA, Safadi RA, Alwedaie MS. Biocompatibility Evaluation of EndoSequence Root Repair Paste in the Connective Tissue of Rats. J Endod 2016; 42:1523-8. [DOI: 10.1016/j.joen.2016.07.017] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2016] [Revised: 06/18/2016] [Accepted: 07/21/2016] [Indexed: 10/21/2022]
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Assessment of the interaction of Portland cement-based materials with blood and tissue fluids using an animal model. Sci Rep 2016; 6:34547. [PMID: 27683067 PMCID: PMC5041115 DOI: 10.1038/srep34547] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2016] [Accepted: 09/15/2016] [Indexed: 12/03/2022] Open
Abstract
Portland cement used in the construction industry improves its properties when wet. Since most dental materials are used in a moist environment, Portland cement has been developed for use in dentistry. The first generation material is mineral trioxide aggregate (MTA), used in surgical procedures, thus in contact with blood. The aim of this study was to compare the setting of MTA in vitro and in vivo in contact with blood by subcutaneous implantation in rats. The tissue reaction to the material was also investigated. ProRoot MTA (Dentsply) was implanted in the subcutaneous tissues of Sprague-Dawley rats in opposite flanks and left in situ for 3 months. Furthermore the material was also stored in physiological solution in vitro. At the end of the incubation time, tissue histology and material characterization were performed. Surface assessment showed the formation of calcium carbonate for both environments. The bismuth was evident in the tissues thus showing heavy element contamination of the animal specimen. The tissue histology showed a chronic inflammatory cell infiltrate associated with the MTA. MTA interacts with the host tissues and causes a chronic inflammatory reaction when implanted subcutaneously. Hydration in vivo proceeds similarly to the in vitro model with some differences particularly in the bismuth oxide leaching patterns.
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Akcay H, Arslan H, Akcay M, Mese M, Sahin NN. Evaluation of the bond strength of root-end placed mineral trioxide aggregate and Biodentine in the absence/presence of blood contamination. Eur J Dent 2016; 10:370-375. [PMID: 27403056 PMCID: PMC4926591 DOI: 10.4103/1305-7456.184150] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Objective: Mineral trioxide aggregate (MTA) has been accepted as an appropriate root-end filling material in endodontic microsurgery because of setting ability in the wet environment. The aim of this study was to assess the bond strength of root-end placed MTA and Biodentine (Septodont, Saint Maur des Fossés, France) in the absence/presence of blood contamination. Materials and Methods: Forty-eight single-rooted maxillary incisors were used. subsequent to root-end resection and apical preparation using ultrasonic retro-tips, the specimens were randomly separated into two groups according to the root-end filling materials: MTA (Cerkamed Medical Company, Stalowa, Poland) or Biodentine. The specimens were then separated into two subgroups according to storage condition (absence/presence of blood) (n = 12). After obtaining 2.0 ± 0.1 mm slices, push-out tests were performed. Each slice was examined under a stereomicroscope to evaluate the failure mode. The data were analyzed using two-way analysis of variance and Tukey's post hoc test for multiple comparisons. The failure modes were analyzed using the Chi-square test (P = 0.05). Results: The bond strength was significantly affected by the presence of blood contamination and root-end filling material type (P < 0.001). Biodentine had better bond strength than MTA (P < 0.001). The most common failure type was adhesive failure. According to the Chi-square test, there were no statistically significant differences among the groups (P = 0.394). Conclusions: Biodentine had better bond strength values compared to MTA, and the bond strength of both MTA and Biodentine as root-end filling materials was negatively affected by the presence of blood.
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Affiliation(s)
- Huseyin Akcay
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Izmir Katip Çelebi University, Izmir, Turkiye
| | - Hakan Arslan
- Department of Endodontics, Faculty of Dentistry, Ataturk University, Erzurum, Turkiye
| | - Merve Akcay
- Department of Pedodontics, Faculty of Dentistry, Izmir Katip Çelebi University, Izmir, Turkiye
| | - Merve Mese
- Department of Pedodontics, Faculty of Dentistry, Izmir Katip Çelebi University, Izmir, Turkiye
| | - Naciye Nur Sahin
- Department of Pedodontics, Faculty of Dentistry, Izmir Katip Çelebi University, Izmir, Turkiye
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Yelamali S, Patil AC. "Evaluation of shear bond strength of a composite resin to white mineral trioxide aggregate with three different bonding systems"-An in vitro analysis. J Clin Exp Dent 2016; 8:e273-7. [PMID: 27398177 PMCID: PMC4930636 DOI: 10.4317/jced.52727] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2015] [Accepted: 01/27/2016] [Indexed: 11/16/2022] Open
Abstract
Background Mineral trioxide aggregate (MTA) is a biomaterial that has been investigated for endodontic applications. With the increased use of MTA in pulp capping, pulpotomy, perforation repair, apexification and obturation, the material that would be placed over MTA as a final restoration is an important matter. As composite resins are one of the most widely used final restorative materials, this study was conducted to evaluate the shear bond strength of a composite resin to white mineral trioxide aggregate (WMTA) using three different bonding systems namely the two-step etch and rinse adhesive, the self-etching primer and the All-in-one system. Material and Methods Forty five specimens of white MTA (Angelus) were prepared and randomly divided into three groups of 15 specimens each depending on the bonding systems used respectively. In Group A, a Two-step etch and rinse adhesive or ‘total-etch adhesive’, Adper Single Bond 2 (3M/ESPE) and Filtek Z350 (3M ESPE, St Paul, MN) were placed over WMTA. In group B, a Two-step self-etching primer system, Clearfil SE Bond (Kuraray, Medical Inc) and Filtek Z350 were used. In Group C, an All-in-one system, G Bond (GC corporation, Tokyo, Japan) and Filtek Z350 were used. The shear bond strength was measured for all the specimens. The data obtained was subjected to One way Analysis of Variance (ANOVA) and Scheffe’s post hoc test. Results The results suggested that the Two-step etch and rinse adhesive when used to bond a composite resin to white MTA gave better bond strength values and the All-in-one exhibited the least bond strength values. Conclusions The placement of composite used with a Two-step etch and rinse adhesive over WMTA as a final restoration may be appropriate. Key words:Composite resins, dentin bonding agents, mineral trioxide aggregate, shear bond strength.
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Zarei M, Javidi M, Gharechahi M, Kateb M, Zare R, Kelagari ZS. Tissue Reaction to Different Types of Calcium Hydroxide Paste in Rat. THE BULLETIN OF TOKYO DENTAL COLLEGE 2016; 57:57-64. [PMID: 27320294 DOI: 10.2209/tdcpublication.2015-0031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The purpose of this study was to compare the biocompatibility of two types of calcium hydroxide paste in subcutaneous tissue in rat. Twenty-two Wistar rats were divided into 4 experimental (n=5 each) and one control (n=2) group. A polyethylene tube filled with either Dentsply or Sure-Paste was implanted in each rat in the experimental groups, while an empty polyethylene tube was used in the control group. After 15 or 60 days, the animals were sacrificed and histopathological examination carried out. Tissue reaction was assessed by inflammatory cell infiltration using a 4-point scoring system, ranging from 0 to 3. Data were analyzed with the Kruskal-Wallis, Wilcoxon, and McNemar tests. Both types of paste induced an inflammatory response at each time point, although the intensity varied. A significant reduction in the number of inflammatory cells was observed at 60 days. Dentsply appeared to induce a more marked inflammatory response at both time points, although the difference was not significant. These results suggest that both types of paste are biocompatible with subcutaneous tissue in rat.
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Affiliation(s)
- Mina Zarei
- Dental Research Center, Department of Endodontics, Mashhad Dental School, Mashhad University of Medical Sciences
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Hoshyari N, Labbaf H, Jalayer Naderi N, Kazemi A, Bastami F, Koopaei M. Biocompatibility of Portland Cement Modified with Titanium Oxide and Calcium Chloride in a Rat Model. IRANIAN ENDODONTIC JOURNAL 2016; 11:124-8. [PMID: 27141221 PMCID: PMC4841348 DOI: 10.7508/iej.2016.02.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/13/2015] [Revised: 01/11/2016] [Accepted: 02/01/2016] [Indexed: 11/30/2022]
Abstract
Introduction: The aim of the present study was to evaluate the biocompatibility of two modified formulations of Portland cement (PC) mixed with either titanium oxide or both titanium oxide and calcium chloride. Methods and Materials: Polyethylene tubes were filled with modified PCs or Angelus MTA as the control; the tubes were then implanted in 28 Wistar rats subcutaneously. One tube was left empty as a negative control in each rat. Histologic samples were taken after 7, 15, 30 and 60 days. Sections were assessed histologically for inflammatory responses and presence of fibrous capsule and granulation tissue formation. Data were analyzed using the Fisher’s exact and Kruskal-Wallis tests. Result: PC mixed with titanium oxide showed the highest mean scores of inflammation compared with others. There was no statistically significant difference in the mean inflammatory grades between all groups in each of the understudy time intervals. Conclusion: The results showed favorable biocompatibility of these modified PC mixed with calcium chloride and titanium oxide.
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Affiliation(s)
- Narjes Hoshyari
- Endodontic Department, Dental School, Mazandaran University of Medical Sciences, Sari, Iran
| | - Hossein Labbaf
- Endodontic Department, Dental School, Shahed University, Tehran, Iran
| | | | - Ali Kazemi
- Endodontic Department, Dental School, Shahed University, Tehran, Iran
| | - Farshid Bastami
- Research Institute of Dental Sciences, Dental School, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maryam Koopaei
- Oral Medicine Department, Dental School, Tehran University of Medical Sciences, Tehran, Iran
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Kim J, Song YS, Min KS, Kim SH, Koh JT, Lee BN, Chang HS, Hwang IN, Oh WM, Hwang YC. Evaluation of reparative dentin formation of ProRoot MTA, Biodentine and BioAggregate using micro-CT and immunohistochemistry. Restor Dent Endod 2016; 41:29-36. [PMID: 26877988 PMCID: PMC4751204 DOI: 10.5395/rde.2016.41.1.29] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2015] [Accepted: 11/09/2015] [Indexed: 12/02/2022] Open
Abstract
Objectives The purpose of this study was to assess the ability of two new calcium silicate-based pulp-capping materials (Biodentine and BioAggregate) to induce healing in a rat pulp injury model and to compare them with mineral trioxide aggregate (MTA). Materials and Methods Eighteen rats were anesthetized, cavities were prepared and the pulp was capped with either of ProRoot MTA, Biodentine, or BioAggregate. The specimens were scanned using a high-resolution micro-computed tomography (micro-CT) system and were prepared and evaluated histologically and immunohistochemically using dentin sialoprotein (DSP). Results On micro-CT analysis, the ProRoot MTA and Biodentine groups showed significantly thicker hard tissue formation (p < 0.05). On H&E staining, ProRoot MTA showed complete dentin bridge formation with normal pulpal histology. In the Biodentine and BioAggregate groups, a thick, homogeneous hard tissue barrier was observed. The ProRoot MTA specimens showed strong immunopositive reaction for DSP. Conclusions Our results suggest that calcium silicate-based pulp-capping materials induce favorable effects on reparative processes during vital pulp therapy and that both Biodentine and BioAggregate could be considered as alternatives to ProRoot MTA.
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Affiliation(s)
- Jia Kim
- Department of Conservative Dentistry, School of Dentistry, Dental Science Research Institute, Chonnam National University, Gwangju, Korea
| | - Young-Sang Song
- Department of Conservative Dentistry, School of Dentistry, Dental Science Research Institute, Chonnam National University, Gwangju, Korea
| | - Kyung-San Min
- Department of Conservative Dentistry, School of Dentistry, Chonbuk National University, Jeonju, Korea
| | - Sun-Hun Kim
- Research Center for Biomineralization Disorders, Chonnam National University, Gwangju, Korea
| | - Jeong-Tae Koh
- Research Center for Biomineralization Disorders, Chonnam National University, Gwangju, Korea
| | - Bin-Na Lee
- Department of Conservative Dentistry, School of Dentistry, Dental Science Research Institute, Chonnam National University, Gwangju, Korea
| | - Hoon-Sang Chang
- Department of Conservative Dentistry, School of Dentistry, Dental Science Research Institute, Chonnam National University, Gwangju, Korea
| | - In-Nam Hwang
- Department of Conservative Dentistry, School of Dentistry, Dental Science Research Institute, Chonnam National University, Gwangju, Korea
| | - Won-Mann Oh
- Department of Conservative Dentistry, School of Dentistry, Dental Science Research Institute, Chonnam National University, Gwangju, Korea
| | - Yun-Chan Hwang
- Department of Conservative Dentistry, School of Dentistry, Dental Science Research Institute, Chonnam National University, Gwangju, Korea.; Research Center for Biomineralization Disorders, Chonnam National University, Gwangju, Korea
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Özyürek T, Demiryürek EÖ. Comparison of the antimicrobial activity of direct pulp-capping materials: Mineral trioxide aggregate-Angelus and Biodentine. J Conserv Dent 2016; 19:569-572. [PMID: 27994321 PMCID: PMC5146775 DOI: 10.4103/0972-0707.194018] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Purpose: To compare the antimicrobial activity of the tricalcium silicate-based Biodentine (BD) and mineral trioxide aggregate (MTA)-Angelus cement with the aid of agar diffusion test. Materials and Methods: Staphylococcus aureus, Pseudomonas aeruginosa, Escherichia coli, and Enterococcus faecium were inoculated in the Brucella liquid medium and were incubated at 37°C for 24 h. Thereafter, 100 >μl of the liquid culture of bacteria inoculated in the Mueller-Hinton agar with spread plate technique. Petri plates were dried in room temperature. For every microorganism, 3 petri plates were prepared (12 in total). In the medium, in every petri plate, 2 holes with 5 mm diameter and 2 mm depth were made. Afterward, BD and MTA-Angelus were filled into these holes under aseptic conditions according to the instructions of the manufacturing company. Then, the plates were kept in the incubator at 37°C for 24 h, and the diameters of the inhibition zones were measured with a digital caliper. Results: Inhibition zones formed by BD against E. coli and S. aureus were significantly larger than the zones formed by MTA-Angelus (P < 0.05). However, the inhibition zones formed by MTA-Angelus against P. aureus and E. faecium were larger than the zones formed by BD (P < 0.05). Conclusion: Within the limits of the present study, tricalcium silicate-based MTA-Angelus and BD have antimicrobial activity against E. coli, S. aureus, P. aureus, and E. faecium.
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Affiliation(s)
- Taha Özyürek
- Department of Endodontics, Faculty of Dentistry, Ondokuz Mayis University, Samsun, Turkey
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KHAN S, KALEEM M, FAREED MA, HABIB A, IQBAL K, ASLAM A, UD DIN S. Chemical and morphological characteristics of mineral trioxide aggregate and Portland cements. Dent Mater J 2016; 35:112-7. [DOI: 10.4012/dmj.2015-117] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Shahbaz KHAN
- Department of Dental Materials, Army Medical College, National University of Sciences and Technology
- Department of Operative Dentistry, Bolan Medical College, University of Balochistan
| | - Muhammad KALEEM
- Department of Dental Materials, Army Medical College, National University of Sciences and Technology
| | - Muhammad Amber FAREED
- Biomaterials Group, Metallurgy and Materials, University of Birmingham
- Department of Science of Dental Materials, FMH College of Medicine and Dentistry, University of Health Sciences
| | - Amir HABIB
- Department of Materials Science, School of Chemical and Materials Engineering, National University of Sciences and Technology
| | - Kefi IQBAL
- Department of Dental Materials Science, Baqai Dental College, Baqai Medical University
| | - Ayesha ASLAM
- Department of Prosthodontics, Armed Forces Institute of Dentistry, National University of Sciences and Technology
| | - Shahab UD DIN
- Department of Dental Materials, Army Medical College, National University of Sciences and Technology
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Zand V, Lotfi M, Aghbali A, Mesgariabbasi M, Janani M, Mokhtari H, Tehranchi P, Pakdel SMV. Tissue Reaction and Biocompatibility of Implanted Mineral Trioxide Aggregate with Silver Nanoparticles in a Rat Model. IRANIAN ENDODONTIC JOURNAL 2015; 11:13-6. [PMID: 26843871 PMCID: PMC4731527 DOI: 10.7508/iej.2016.01.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/11/2015] [Revised: 09/16/2015] [Accepted: 10/04/2015] [Indexed: 11/30/2022]
Abstract
Introduction: Biocompatibility and antimicrobial activity of endodontic materials are of utmost importance. Considering the extensive applications of mineral trioxide aggregate (MTA) in dentistry and antimicrobial properties of silver nanoparticles, this study aimed to evaluate the subcutaneous inflammatory reaction of rat connective tissues to white MTA with and without nanosilver (NS) particles. Methods and Materials: Polyethylene tubes (1.1×8 mm) containing experimental materials (MTA and MTA+NS and empty control tubes) were implanted in subcutaneous tissues of seventy-five male rats. Animals were divided into five groups (n=15) according to the time of evaluation: group 1; after 7 days, group 2; after 15 days, group 3; after 30 days, group 4; after 60 days and group 5; after 90 days. The inflammatory reaction was graded and data was analyzed using the Kruskal-Wallis and Mann-Whitney U tests. Statistical significance was defined at 0.05. Results: Comparison of cumulative inflammatory reaction at all intervals revealed that the mean grade of inflammatory reaction to MTA, MTA+NS and control samples were 3, 2 and 2, respectively. According to the Mann-Whitney analysis there were no significant differences between MTA+NS and MTA (P=0.42). Conclusion: Incorporation of 1% nanosilver to MTA does not affect the inflammatory reaction of subcutaneous tissue in rat models.
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Affiliation(s)
- Vahid Zand
- Dental and Periodontal Research Center, Department of Endodontics, Dental School, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehrdad Lotfi
- Research Center for Pharmaceutical Nano-Technology, Department of Endodontics, Dental School, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amirala Aghbali
- Department of Oral and Maxillofacial Pathology, Dental School, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehran Mesgariabbasi
- Researcher, Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Janani
- Department of Endodontics, Dental School, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hadi Mokhtari
- Department of Endodontics, Dental School, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Pardis Tehranchi
- Department of Restorative Dentistry, Dental School, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Seyyed Mahdi Vahid Pakdel
- Department of Prosthodontics, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
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Saghiri MA, Orangi J, Tanideh N, Asatourian A, Janghorban K, Garcia-Godoy F, Sheibani N. Repair of bone defect by nano-modified white mineral trioxide aggregates in rabbit: A histopathological study. Med Oral Patol Oral Cir Bucal 2015; 20:e525-31. [PMID: 26034924 PMCID: PMC4598919 DOI: 10.4317/medoral.20290] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2014] [Accepted: 03/21/2015] [Indexed: 11/25/2022] Open
Abstract
Background Many researchers have tried to enhance materials functions in different aspects of science using nano-modification method, and in many cases the results have been encouraging. To evaluate the histopathological responses of the micro-/nano-size cement-type biomaterials derived from calcium silicate-based composition with addition of nano tricalcium aluminate (3CaO.Al2O3) on bone healing response. Material and Methods Ninety mature male rabbits were anesthetized and a bone defect was created in the right mandible. The rabbits were divided into three groups, which were in turn subdivided into five subgroups with six animals each based on the defect filled by: white mineral trioxide aggregate (WMTA), Nano-WMTA, WMTA without 3CaO.Al2O3, Nano-WMTA with 2% Nano-3CaO.Al2O3, and empty as control. Twenty, forty and sixty days postoperatively the animals were sacrificed and the right mandibles were removed for histopathological evaluations. Kruskal-Wallis test with post-hoc comparisons based on the LSMeans procedure was used for data analysis. Results All the experimental materials provoked a moderate to severe inflammatory reaction, which significantly differed from the control group (p< 0.05). Statistical analysis of bone formation and bone regeneration data showed significant differences between groups at 40- and 60- day intervals in all groups. Absence of 3CaO.Al2O3 leads to more inflammation and foreign body reaction than other groups in all time intervals. Conclusions Both powder nano-modification and addition of 2% Nano-3CaO.Al2O3 to calcium silicate-based cement enhanced the favorable tissue response and osteogenesis properties of WMTA based materials. Key words:Bone regeneration, cement, endodontics, histopathology, nano-wmta, tricalcium aluminate.
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Silva L, Kim S, Luczyszyn S, Papalexiou V, Giovanini A, Almeida L, Tramontina V. Histological and immunohistochemical evaluation of biphasic calcium phosphate and a mineral trioxide aggregate for bone healing in rat calvaria. Int J Oral Maxillofac Surg 2015; 44:535-42. [DOI: 10.1016/j.ijom.2014.10.018] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2013] [Revised: 07/31/2014] [Accepted: 10/03/2014] [Indexed: 11/30/2022]
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Ceci M, Beltrami R, Chiesa M, Colombo M, Poggio C. Biological and chemical-physical properties of root-end filling materials: A comparative study. J Conserv Dent 2015; 18:94-9. [PMID: 25829684 PMCID: PMC4379666 DOI: 10.4103/0972-0707.153058] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2014] [Revised: 12/08/2014] [Accepted: 02/12/2015] [Indexed: 11/04/2022] Open
Abstract
AIM The purpose of the study is to evaluate and compare the biological and chemical-physical properties of four different root-end filling materials. MATERIALS AND METHODS Cytotoxicity towards murine odontoblasts cells (MDPC-23) was evaluated using the Transwell insert methodology by Alamar blue test. Streptococcus salivarius, S. sanguis, and S. mutans strains were selected to evaluate the antimicrobial activity by agar disc diffusion test. Solubility was determined after 24 h and 2 months. pH values were measured after 3 and 24 h. To evaluate radiopacity, all materials were scanned on a GE Healthcare Lunar Prodigy. RESULTS Excellent percentage of vitality were obtained by mineral trioxide aggregate (MTA)-based materials and Biodentine. MTA-Angelus, ProRoot MTA, and Intermediate Restorative Material (IRM) showed the highest values for the inhibition zones when tested for S. mutans, while Biodentine showed the largest inhibition zone when tested for S. sanguis. All the materials fulfilled the requirements of the International Standard 6876, demonstrating low solubility with a weight loss of less than 3%. No significant reduction in pH value was demonstrated after 24 h. ProRoot MTA and MTA-Angelus showed the highest values of radiographic density. CONCLUSIONS The differences showed by the root-end filling materials tested do not cover completely the ideal clinical requests.
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Affiliation(s)
- Matteo Ceci
- Departments of Clinical-Surgical, Diagnostic and Pediatric Sciences - Sections of Dentistry, University of Pavia, Pavia, Italy
| | - Riccardo Beltrami
- Brain and Behavioral, Sections of Statistics, University of Pavia, Pavia, Italy
| | - Marco Chiesa
- Departments of Clinical-Surgical, Diagnostic and Pediatric Sciences - Sections of Dentistry, University of Pavia, Pavia, Italy
| | - Marco Colombo
- Departments of Clinical-Surgical, Diagnostic and Pediatric Sciences - Sections of Dentistry, University of Pavia, Pavia, Italy
| | - Claudio Poggio
- Departments of Clinical-Surgical, Diagnostic and Pediatric Sciences - Sections of Dentistry, University of Pavia, Pavia, Italy
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Assmann E, Böttcher DE, Hoppe CB, Grecca FS, Kopper PMP. Evaluation of Bone Tissue Response to a Sealer Containing Mineral Trioxide Aggregate. J Endod 2015; 41:62-6. [DOI: 10.1016/j.joen.2014.09.019] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2014] [Revised: 09/24/2014] [Accepted: 09/24/2014] [Indexed: 10/24/2022]
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Celikten B, Uzuntas CF, Safaralizadeh R, Demirel G, Sevimay S. Multidisciplinary approach for the treatment of horizontal root-fractured maxillary anterior teeth. Case Rep Dent 2014; 2014:472759. [PMID: 25485158 PMCID: PMC4251642 DOI: 10.1155/2014/472759] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2014] [Revised: 10/29/2014] [Accepted: 10/29/2014] [Indexed: 11/17/2022] Open
Abstract
Dental trauma can lead to a wide range of injuries of which crown and root fractures are examples. Crown-root fractures often need complex treatment planning. This case report describes the use of MTA in the multidisciplinary management of a patient with a horizontally fractured central incisor and luxation in a different central incisor. A 42-year-old female patient presented within 1 h of receiving direct trauma to her maxillary area. Clinical examination revealed that the right and left maxillary central incisors presented mobility and sensitivity to percussion and palpation but no sensitivity to thermal stimulations. Occlusal displacement with extrusion in the left maxillary central incisor and luxation in the right maxillary central incisor was observed. Radiographic examination revealed horizontal root fracture at the apical third of the left maxillary central incisor. Root fracture in the right maxillary incisor was not observed. Endodontic and aesthetic restorative treatments were completed. MTA showed a good long-term outcome when used in root-fractured and luxated teeth. In addition, composite resin restoration provided satisfactory aesthetic results even after 15 months.
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Affiliation(s)
- Berkan Celikten
- Department of Endodontics, Faculty of Dentistry, University of Ankara, Besevler, 06500 Ankara, Turkey
| | - Ceren Feriha Uzuntas
- Department of Endodontics, Faculty of Dentistry, University of Ankara, Besevler, 06500 Ankara, Turkey
| | - Reza Safaralizadeh
- Department of Restorative Dentistry, Faculty of Dentistry, University of Ankara, Besevler, 06500 Ankara, Turkey
| | - Gulbike Demirel
- Department of Restorative Dentistry, Faculty of Dentistry, University of Ankara, Besevler, 06500 Ankara, Turkey
| | - Semra Sevimay
- Department of Endodontics, Faculty of Dentistry, University of Ankara, Besevler, 06500 Ankara, Turkey
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Petrović V, Opačić-Galić V, Živković S, Nikolić B, Danilović V, Miletić V, Jokanović V, Mitić-Ćulafić D. Biocompatibility of new nanostructural materials based on active silicate systems and hydroxyapatite: in vitro and in vivo study. Int Endod J 2014; 48:966-75. [PMID: 25288256 DOI: 10.1111/iej.12391] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2014] [Accepted: 10/01/2014] [Indexed: 11/28/2022]
Abstract
AIM To evaluate in vitro cytotoxicity and in vivo inflammatory response to new nanostructural materials based on active calcium silicate systems (CS) and hydroxyapatite (HA-CS). METHODOLOGY Cytotoxicity of eluates of new nanostructural noncommercial materials CS and HA-CS, and MTA (White MTA, Angelus(®) Soluções Odontológicas, Londrina, Brazil) as a control, were tested using the MTT assay on MRC-5 cells. Eluates of set materials were tested in 100% and 50% concentrations, 24 h, 7 days and 21 days post-elution. The pH values were determined for undiluted eluates of set materials. Polyethylene tubes containing the test materials (CS, HA-CS, MTA) were implanted in subcutaneous tissue of Wistar rats. Histopathological examinations were conducted at 7, 15, 30 and 60 days after the implantation. Data were statistically analyzed using three-way and one-way anova Tukey's post hoc test as well as Kruskall-Wallis test with Dunn's post hoc test at α = 0.05. RESULTS All materials significantly reduced cell viability; especially when undiluted eluates were used (P < 0.001). After 24 h elution, cell viability was 10 ± 1.8%, 49.5 ± 4.2% and 61 ± 7.4%, for MTA, and HA-CS, respectively. However, CS and HA-CS were significantly less toxic than the control material MTA (P < 0.05). Cytotoxicity could be at least partially attributed to pH kinetics over time. Dilution of eluates of all tested materials resulted in better cell survival. Histopathological examination indicated similar inflammatory reaction, vascular congestion and connective tissue integrity associated with CS, HA-CS and MTA at each observation period (P > 0.05). The only significant difference was found for capsule thickness, that is thicker capsule was associated with HA-CS compared to MTA at 60 days (P = 0.0039). HA-CS induced moderately thick capsules (median score 3, score range 2-3), whereas MTA resulted in thin capsule formation (median score 2, score range 1-3). CONCLUSIONS Evaluation of cytotoxicity and inflammatory response indicated better biocompatibility of CS and HA-CS, in comparison with MTA (White MTA, Angelus(®) Soluções Odontológicas, Londrina, Brazil).
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Affiliation(s)
- V Petrović
- Department for Restorative Dentistry and Endodontics, University of Belgrade, School of Dental Medicine, Belgrade, Serbia
| | - V Opačić-Galić
- Department for Restorative Dentistry and Endodontics, University of Belgrade, School of Dental Medicine, Belgrade, Serbia
| | - S Živković
- Department for Restorative Dentistry and Endodontics, University of Belgrade, School of Dental Medicine, Belgrade, Serbia
| | - B Nikolić
- Department for Microbiology, Faculty of Biology, University of Belgrade, Belgrade, Serbia
| | - V Danilović
- Department for Restorative Dentistry and Endodontics, University of Belgrade, School of Dental Medicine, Belgrade, Serbia
| | - V Miletić
- Department for Restorative Dentistry and Endodontics, University of Belgrade, School of Dental Medicine, Belgrade, Serbia
| | - V Jokanović
- University of Belgrade Institute for Nuclear Sciences Vinča, Belgrade, Serbia
| | - D Mitić-Ćulafić
- Department for Microbiology, Faculty of Biology, University of Belgrade, Belgrade, Serbia
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Silva EJNL, Herrera DR, Rosa TP, Duque TM, Jacinto RC, Gomes BPFDA, Zaia AA. Evaluation of cytotoxicity, antimicrobial activity and physicochemical properties of a calcium aluminate-based endodontic material. J Appl Oral Sci 2014; 22:61-7. [PMID: 24626250 PMCID: PMC3908766 DOI: 10.1590/1678-775720130031] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2013] [Accepted: 11/01/2013] [Indexed: 11/22/2022] Open
Abstract
UNLABELLED A calcium aluminate-based endodontic material, EndoBinder, has been developed in order to reduce MTA negative characteristics, preserving its biological properties and clinical applications. OBJECTIVES The aim of this study was to evaluate the cytotoxicity, antimicrobial activity, pH, solubility and water sorption of EndoBinder and to compare them with those of white MTA (WMTA). MATERIAL AND METHODS Cytotoxicity was assessed through a multiparametric analysis employing 3T3 cells. Antimicrobial activity against Enterococcus faecalis (ATCC 29212), Staphylococcus aureus. (ATCC 25923) and Candida albicans (ATCC 10556) was determined by the agar diffusion method. pH was measured at periods of 3, 24, 72 and 168 hours. Solubility and water sorption evaluation were performed following ISO requirements. Data were statistically analyzed by ANOVA and Tukey`s test with a significance level of 5%. RESULTS EndoBinder and WMTA were non-cytotoxic in all tested periods and with the different cell viability parameters. There was no statistical differences between both materials (P>.05). All tested materials were inhibitory by direct contact against all microbial strains tested. EndoBinder and WMTA presented alkaline pH in all tested times with higher values of pH for WMTA (P<.05). Both materials showed values complying with the solubility minimum requirements. However, EndoBinder showed lower solubility than WMTA (P<.05). No statistical differences were observed regarding water sorption (P>.05). CONCLUSION Under these experimental conditions, we concluded that the calcium aluminate-based endodontic material EndoBinder demonstrated suitable biological and physicochemical properties, so it can be suggested as a material of choice in root resorption, perforations and root-end filling.
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Affiliation(s)
- Emmanuel João Nogueira Leal Silva
- Grande Rio University, Health and Science Center, Rio de JaneiroRJ, Brazil, Health and Science Center, Grande Rio University (UNIGRANRIO), Rio de Janeiro, RJ, Brazil
| | - Daniel Rodrigo Herrera
- State University of Campinas, Piracicaba Dental School, Department of Restorative Dentistry, Endodontics Division, PiracicabaSP, Brazil, Department of Restorative Dentistry, Endodontics Division, Piracicaba Dental School, State University of Campinas, Piracicaba, SP, Brazil
| | - Tiago Pereira Rosa
- State University of Campinas, Piracicaba Dental School, Department of Restorative Dentistry, Endodontics Division, PiracicabaSP, Brazil, Department of Restorative Dentistry, Endodontics Division, Piracicaba Dental School, State University of Campinas, Piracicaba, SP, Brazil
| | - Thais Mageste Duque
- State University of Campinas, Piracicaba Dental School, Department of Restorative Dentistry, Endodontics Division, PiracicabaSP, Brazil, Department of Restorative Dentistry, Endodontics Division, Piracicaba Dental School, State University of Campinas, Piracicaba, SP, Brazil
| | - Rogério Castilho Jacinto
- State University of Campinas, Piracicaba Dental School, Department of Restorative Dentistry, Endodontics Division, PiracicabaSP, Brazil, Department of Restorative Dentistry, Endodontics Division, Piracicaba Dental School, State University of Campinas, Piracicaba, SP, Brazil
| | - Brenda Paula Figueiredo de Almeida Gomes
- State University of Campinas, Piracicaba Dental School, Department of Restorative Dentistry, Endodontics Division, PiracicabaSP, Brazil, Department of Restorative Dentistry, Endodontics Division, Piracicaba Dental School, State University of Campinas, Piracicaba, SP, Brazil
| | - Alexandre Augusto Zaia
- State University of Campinas, Piracicaba Dental School, Department of Restorative Dentistry, Endodontics Division, PiracicabaSP, Brazil, Department of Restorative Dentistry, Endodontics Division, Piracicaba Dental School, State University of Campinas, Piracicaba, SP, Brazil
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Niu LN, Jiao K, Wang TD, Zhang W, Camilleri J, Bergeron BE, Feng HL, Mao J, Chen JH, Pashley DH, Tay FR. A review of the bioactivity of hydraulic calcium silicate cements. J Dent 2014; 42:517-33. [PMID: 24440449 PMCID: PMC3995854 DOI: 10.1016/j.jdent.2013.12.015] [Citation(s) in RCA: 100] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2013] [Accepted: 12/30/2013] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVES In tissue regeneration research, the term "bioactivity" was initially used to describe the resistance to removal of a biomaterial from host tissues after intraosseous implantation. Hydraulic calcium silicate cements (HCSCs) are putatively accepted as bioactive materials, as exemplified by the increasing number of publications reporting that these cements produce an apatite-rich surface layer after they contact simulated body fluids. METHODS In this review, the same definitions employed for establishing in vitro and in vivo bioactivity in glass-ceramics, and the proposed mechanisms involved in these phenomena are used as blueprints for investigating whether HCSCs are bioactive. RESULTS The literature abounds with evidence that HCSCs exhibit in vitro bioactivity; however, there is a general lack of stringent methodologies for characterizing the calcium phosphate phases precipitated on HCSCs. Although in vivo bioactivity has been demonstrated for some HCSCs, a fibrous connective tissue layer is frequently identified along the bone-cement interface that is reminiscent of the responses observed in bioinert materials, without accompanying clarifications to account for such observations. CONCLUSIONS As bone-bonding is not predictably achieved, there is insufficient scientific evidence to substantiate that HCSCs are indeed bioactive. Objective appraisal criteria should be developed for more accurately defining the bioactivity profiles of HCSCs designed for clinical use.
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Affiliation(s)
- Li-Na Niu
- Department of Prosthodontics, School of Stomatology, Fourth Military Medical University, Xi'an, China
| | - Kai Jiao
- Department of Oral Anatomy and Physiology and TMD, School of Stomatology, Fourth Military Medical University, Xi'an, China
| | - Tian-da Wang
- Department of Prosthodontics, School of Stomatology, Peking University, Beijing, China
| | - Wei Zhang
- Department of Stomatology, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Josette Camilleri
- Department of Restorative Dentistry, Faculty of Dental Surgery, University of Malta, Malta
| | - Brian E Bergeron
- Department of Endodontics, College of Dental Medicine, Georgia Regents University, Augusta, GA, USA
| | - Hai-Lan Feng
- Department of Prosthodontics, School of Stomatology, Peking University, Beijing, China
| | - Jing Mao
- Department of Stomatology, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Ji-Hua Chen
- Department of Prosthodontics, School of Stomatology, Fourth Military Medical University, Xi'an, China.
| | - David H Pashley
- College of Graduate Studies, Georgia Regents University, Augusta, GA, USA
| | - Franklin R Tay
- Department of Endodontics, College of Dental Medicine, Georgia Regents University, Augusta, GA, USA; College of Graduate Studies, Georgia Regents University, Augusta, GA, USA.
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Alsubait SA, Hashem Q, AlHargan N, AlMohimeed K, Alkahtani A. Comparative evaluation of push-out bond strength of ProRoot MTA, bioaggregate and biodentine. J Contemp Dent Pract 2014; 15:336-340. [PMID: 25307817 DOI: 10.5005/jp-journals-10024-1539] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
OBJECTIVE To evaluate the push-out bond strength of Biodentine (BD) in comparison with two available calcium silicate based materials, bioaggregate (BA) and ProRoot MTA (WMTA). MATERIALS AND METHODS One hundred and twenty-three Root dentin slices of freshly extracted single Rooted human teeth were randomly divided into three groups (n = 41) according to the used test material: WMTA, BA, BD. After canal space preparation, the filling materials were placed inside the lumen of the slices. After 72 hours, the maximum force applied to materials at the time of dislodgement was recorded and slices were then examined under a stereomicroscope at ×40 magnification to determine the nature of bond failure. Analysis of variance (ANOVA) test was used to compare means of push-out bond strength. Post-hoc test was then accomplished for multiple comparisons. Chi-square test was used to determine if there is significant association between the type of material and type of failure. RESULTS The mean push-out bond strength ± standard deviation in MPa values of WMTA, BA and BD were 23.26 ± 5.49, 9.57 ± 3.45, 21.86 ± 6.9, respectively. There was no significant difference between the means of WMTA and BD (p = 0.566), but the mean of BA was significantly lower than those of WMTA and BD (p = 0.000). Under stereomicroscope, WMTA and BA showed a majority of mixed type of failure than cohesive failure, while BD showed the opposite. No adhesive failure was observed in any specimen. CONCLUSION The findings of the present study imply that the force needed for BD displacement is similar to WMTA and significantly higher than the force required to displace BA.
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Affiliation(s)
- Sara A Alsubait
- Assistant Professor, Department of Restorative Dental Sciences, College of Dentistry, King Saud University, Riyadh, Saudi Arabia, e-mail:
| | - Qamar Hashem
- Dental Intern, College of Dentistry, King Saud University, Riyadh, Saudi Arabia
| | - Njood AlHargan
- Dental Intern, College of Dentistry, King Saud University, Riyadh, Saudi Arabia
| | - Khawlah AlMohimeed
- Dental Intern, College of Dentistry, King Saud University, Riyadh, Saudi Arabia
| | - Ahmed Alkahtani
- Associate Professor, Department of Restorative Dental Sciences, College of Dentistry, King Saud University, Riyadh, Saudi Arabia
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50
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Kui AG, Berar A, Lascu L, Bolfa P, Bosca B, Mihu C, Baciut M, Avram R, Badea M. The Influence of Root-End Filling Materials on Bone Healing - An Experimental Study. ACTA ACUST UNITED AC 2014; 87:263-8. [PMID: 26528034 PMCID: PMC4620670 DOI: 10.15386/cjmed-354] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2014] [Accepted: 10/05/2014] [Indexed: 11/23/2022]
Abstract
AIMS The aim of this experimental study is to assess the bone healing phenomenon produced in the presence of several dental materials: a polycarboxylate cement, a glass-ionomer cement, a composite resin and MTA (mineral trioxide aggregate) based cement. METHODS The biocompatibility of four root-end fillings materials, used in periapical surgery was investigated after intra-osseous implantation of the materials in rats' calvaria. Tissue reaction was studied at 2, 4, 6, 8, 10 and 12 weeks after implantation. We took into consideration the presence of inflammatory cells (polymorphonuclear leukocytes, macrophages, plasma cells, lymphocytes and giant cells) and classified the aspects of the histological samples according to the following scale: 0 - no inflammation, 1 - mild, isolated inflammation, 2 - moderate, localized inflammatory reaction, 3 - severe, diffuse and intense inflammatory reaction. RESULTS The inflammatory reaction was present at the six intervals for all the tested materials, but at 12 week interval, the reaction was minimal in all cases. Also, a dissolution reaction was observed for all the materials, less intense for glass-ionomer cement and polycarboxilate cement. CONCLUSIONS At the end of the experimental period, glass-ionomer cement and polycarboxilate cement suffered a lesser dissolution reaction as compared to the second group of tested materials.
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Affiliation(s)
- Andreea Gulie Kui
- Department of Prosthodontics, Faculty of Dentistry, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj Napoca, Romania
| | - Antonela Berar
- Department of Prosthodontics, Faculty of Dentistry, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj Napoca, Romania
| | - Liana Lascu
- Department of Prosthodontics, Faculty of Dentistry, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj Napoca, Romania
| | - Pompei Bolfa
- Pathology Department, University of Agricultural Sciences and Veterinary Medicine, Cluj Napoca, Romania ; Department of Biomedical Sciences, Ross University School of Veterinary Medicine, PO Box 334, Basseterre, St. Kitts and Nevis Federation, West Indies
| | - Bianca Bosca
- Department of Histology, Faculty of Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj Napoca, Romania
| | - Carmen Mihu
- Department of Histology, Faculty of Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj Napoca, Romania
| | - Mihaela Baciut
- Department of Surgery and Implantology, Faculty of Dentistry, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj Napoca, Romania
| | - Ramona Avram
- Department of Dental Prevention, Faculty of Dentistry, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj Napoca, Romania
| | - Mândra Badea
- Department of Dental Prevention, Faculty of Dentistry, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj Napoca, Romania
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