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Yaşar M, Bal C, Aksoy M, Güngörmüş M, Orhan K. In vitro caries-preventive effect of a mineralization-promoting peptide combined with fluoride gel on sound primary teeth. Int J Paediatr Dent 2024; 34:256-266. [PMID: 37837213 DOI: 10.1111/ipd.13126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 08/12/2023] [Accepted: 09/13/2023] [Indexed: 10/15/2023]
Abstract
BACKGROUND Mineralization-promoting peptide-3 (MPP3) is a new biomimetic remineralization agent. AIM To assess the remineralization efficiency of MPP3, either alone or in combination with fluoride gel. DESIGN The samples were divided into four groups: control, 1.23% fluoride gel, 10% MPP3 gel, and 1.23% fluoride gel + 10% MPP3. Following the application of remineralization agents (4 min), the samples remained in a pH-cycling model (37°C, 4 weeks). Microhardness, microcomputed tomography (micro-CT), polarized light microscopy (PLM), and field emission scanning electron microscopy (FE-SEM) analysis were conducted. RM-ANOVA, one-way ANOVA, and intraclass correlation coefficient (ICC) were used for statistical analysis, and a significance level of p < .05 was employed. RESULTS Mineralization-promoting peptide 3 and fluoride gel + MPP3 increased the microhardness of the enamel compared with initial values in each group (p < .05). Mineralization-promoting peptide 3 successfully maintained the mineral density of enamel, although the cariogenic pH-cycling and PLM results indicated that the lesion depth (μm) was significantly lower in the fluoride gel + MPP3 group (27.0336 ± 12.53650) than in the control group (37.3907 ± 12.76002, p < .05). CONCLUSION The combined use of MPP3 with fluoride gel enhanced the caries-protective and mineralization-promoting effects of fluoride. Mineralization-promoting peptide 3 may be a potential agent that can be employed to improve the physical properties of enamel.
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Affiliation(s)
- Merve Yaşar
- Department of Pediatric Dentistry, Faculty of Gulhane Dental Medicine, University of Health Sciences, Ankara, Turkey
| | - Cenkhan Bal
- Department of Pediatric Dentistry, Faculty of Gulhane Dental Medicine, University of Health Sciences, Ankara, Turkey
| | - Merve Aksoy
- Department of Pediatric Dentistry, Faculty of Gulhane Dental Medicine, University of Health Sciences, Ankara, Turkey
| | - Mustafa Güngörmüş
- School of Engineering and Natural Sciences, Biomedical Engineering, Ankara Yildirim Beyazit University, Ankara, Turkey
- MERLAB Application and Research Center, Ankara Yildirim Beyazit University, Ankara, Turkey
| | - Kaan Orhan
- Department of Dentomaxillofacial Radiology, Ankara University Faculty of Dentistry, Ankara, Turkey
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Wrangstål L, Pigg M, Almutairi N, Fransson H. A critical look at outcome measures: Comparison between four dental research journals by use of a hierarchical model. Int Endod J 2024; 57:119-132. [PMID: 38082460 DOI: 10.1111/iej.14011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 10/28/2023] [Accepted: 11/28/2023] [Indexed: 01/11/2024]
Abstract
AIM To assess the status quo of outcome measures used in treatment studies in Endodontics, and potentially identify strategies for improvement, by (i) systematically assessing the outcome measures using a conceptual model and (ii) comparing these with measures used in corresponding studies in the adjacent fields. METHODOLOGY The International Endodontic Journal, Caries Research, The Journal of Clinical Periodontology and The Journal of Oral & Facial Pain and Headache were selected to cover four adjacent dental disciplines. In each journal, the 50 most recent consecutive publications fulfilling inclusion criteria were included. A hierarchical model for diagnostic imaging studies was modified to assess studies related to treatment. The model comprised six levels, with technical as the lowest level and societal as the highest. Extracted data included study origin, study type, and identified outcome measures. Fisher's Exact Tests with Bonferroni corrections compared studies. p < .05 was considered statistically significant. RESULTS Amongst 756 publications, the 200 most recent studies matching the inclusion criteria were identified. Less than half (36.5%) assessed the clinical, patient, or societal aspects of treatment; 10.0% in International Endodontic Journal, 28.0% in Caries Research, 38.0% in Journal of Clinical Periodontology, and 70.0% in Journal of Oral & Facial Pain and Headache (p < .001). CONCLUSIONS According to included publications, research on treatment within the endodontic field is mainly focusing on technical and biological outcomes. The benefits of patients and society were less frequently examined than in corresponding journals in adjacent disciplines. When designing studies, including higher-level outcomes should be considered.
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Affiliation(s)
- Linnéa Wrangstål
- Department of Endodontics, Faculty of Odontology, Malmö University, Malmö, Sweden
- Department of Orofacial Pain and Jaw Function, Malmö University, Malmö, Sweden
- Department of Cariology, Malmö University, Malmö, Sweden
| | - Maria Pigg
- Department of Endodontics, Faculty of Odontology, Malmö University, Malmö, Sweden
| | - Nawaf Almutairi
- Conservative Dental Science Department, College of Dentistry, Qassim University, Qassim, Saudi Arabia
| | - Helena Fransson
- Department of Endodontics, Faculty of Odontology, Malmö University, Malmö, Sweden
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Li Q, Shen J, Qin T, Zhou G, Li Y, Chen Z, Li M. A Qualitative and Comprehensive Analysis of Caries Susceptibility for Dental Fluorosis Patients. Antibiotics (Basel) 2021; 10:antibiotics10091047. [PMID: 34572628 PMCID: PMC8464924 DOI: 10.3390/antibiotics10091047] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 08/25/2021] [Accepted: 08/25/2021] [Indexed: 12/04/2022] Open
Abstract
Dental fluorosis (DF) is an endemic disease caused by excessive fluoride exposure during childhood. Previous studies mainly focused on the acid resistance of fluorotic enamel and failed to reach a consensus on the topic of the caries susceptibility of DF patients. In this review, we discuss the role of DF classification in assessing this susceptibility and follow the “four factors theory” in weighing the pros and cons of DF classification in terms of host factor (dental enamel and saliva), food factor, bacteria factor, and DF treatment factor. From our analysis, we find that susceptibility is possibly determined by various factors such as the extent of structural and chemical changes in fluorotic enamel, eating habits, fluoride levels in diets and in the oral cavity, changes in quantity and quality of saliva, and/or oral hygiene. Thus, a universal conclusion regarding caries susceptibility might not exist, instead depending on each individual’s situation.
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Affiliation(s)
- Qianrui Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China; (Q.L.); (J.S.); (T.Q.); (G.Z.); (Y.L.)
| | - Jiaqi Shen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China; (Q.L.); (J.S.); (T.Q.); (G.Z.); (Y.L.)
| | - Tao Qin
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China; (Q.L.); (J.S.); (T.Q.); (G.Z.); (Y.L.)
| | - Ge Zhou
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China; (Q.L.); (J.S.); (T.Q.); (G.Z.); (Y.L.)
| | - Yifeng Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China; (Q.L.); (J.S.); (T.Q.); (G.Z.); (Y.L.)
| | - Zhu Chen
- Key Laboratory of Oral Disease Research, School of Stomatology, Zunyi Medical University, Zunyi 563000, China;
| | - Mingyun Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China; (Q.L.); (J.S.); (T.Q.); (G.Z.); (Y.L.)
- Correspondence:
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Wolfoviz-Zilberman A, Kraitman R, Hazan R, Friedman M, Houri-Haddad Y, Beyth N. Phage Targeting Streptococcus mutans In Vitro and In Vivo as a Caries-Preventive Modality. Antibiotics (Basel) 2021; 10:antibiotics10081015. [PMID: 34439064 PMCID: PMC8389033 DOI: 10.3390/antibiotics10081015] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 08/16/2021] [Accepted: 08/18/2021] [Indexed: 12/20/2022] Open
Abstract
Dental caries is a common infectious disease worldwide. Current conventional therapies lack specific antimicrobial effects against Streptococcus mutans, a key bacterium that induces caries. A promising alternative approach is bacteriophage (phage) therapy. Recently, SMHBZ8 phage targeting S. mutans was isolated and characterized. The aim of this study was to evaluate the caries-prevention efficacy of SMHBZ8 using in vitro and in vivo caries models. Hemi-mandibles dissected from euthanized healthy mice were subjected to caries-promoting conditions in vitro. Jaws treated with phage therapy in suspension and in formulation with a sustained-release delivery system showed no carious lesions, similar to control and chlorhexidine-treated jaws. Subsequently, SMHBZ8 phage suspension also prevented carious lesion development in a murine caries model in vivo. In both models, caries lesions were analyzed clinically and radiographically by µCT scans. This study shows how SMHBZ8 phage therapy targeting S. mutans can serve as an efficient caries-prevention modality, in suspension or with a sustained-release delivery system, by in vitro and in vivo mouse models.
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Affiliation(s)
- Amit Wolfoviz-Zilberman
- Department of Prosthodontics, Hadassah Medical Center, Faculty of Dental Medicine, Hebrew University of Jerusalem, Jerusalem 9112001, Israel; (A.W.-Z.); (R.K.); (Y.H.-H.)
- Institute of Biomedical and Oral Research (IBOR), Faculty of Dental Medicine, Hebrew University of Jerusalem, Jerusalem 9112001, Israel;
| | - Reut Kraitman
- Department of Prosthodontics, Hadassah Medical Center, Faculty of Dental Medicine, Hebrew University of Jerusalem, Jerusalem 9112001, Israel; (A.W.-Z.); (R.K.); (Y.H.-H.)
- Institute of Biomedical and Oral Research (IBOR), Faculty of Dental Medicine, Hebrew University of Jerusalem, Jerusalem 9112001, Israel;
| | - Ronen Hazan
- Institute of Biomedical and Oral Research (IBOR), Faculty of Dental Medicine, Hebrew University of Jerusalem, Jerusalem 9112001, Israel;
| | - Michael Friedman
- Department of Pharmaceutics, The Institute for Drug Research, Faculty of Medicine, The Hebrew University, Jerusalem 91120, Israel;
| | - Yael Houri-Haddad
- Department of Prosthodontics, Hadassah Medical Center, Faculty of Dental Medicine, Hebrew University of Jerusalem, Jerusalem 9112001, Israel; (A.W.-Z.); (R.K.); (Y.H.-H.)
| | - Nurit Beyth
- Department of Prosthodontics, Hadassah Medical Center, Faculty of Dental Medicine, Hebrew University of Jerusalem, Jerusalem 9112001, Israel; (A.W.-Z.); (R.K.); (Y.H.-H.)
- Correspondence:
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Duarte MBS, Carvalho VR, Hilgert LA, Ribeiro APD, Leal SC, Takeshita EM. Is there an association between dental caries, fluorosis, and molar-incisor hypomineralization? J Appl Oral Sci 2021; 29:e20200890. [PMID: 34287466 PMCID: PMC8289254 DOI: 10.1590/1678-7757-2020-0890] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 03/12/2021] [Indexed: 01/20/2023] Open
Abstract
Objective: This cross-sectional study aimed to determine the prevalence of dental caries, dental fluorosis, and molar-incisor hypomineralization, and their associations in a group of Brazilian schoolchildren. Methodology: Adolescents (n=411) were evaluated by two calibrated examiners for dental caries (DC), dental fluorosis (DF), and molar-incisor hypomineralization (MIH) using the CAST (Caries Assessment Spectrum and Treatment) instrument, Thylstrup and Fejerskov (TF) index, and MIH Severity Scoring System (MIH-SSS), respectively. Descriptive statistics, chi-square tests, and logistic regression were used for statistical analysis. Results: The sample comprised 42.75% boys and 57.25% girls. The prevalence of DC in permanent dentition was 94.75%, of which 29% were represented by dentin lesions. For DF, a prevalence of 40.75% was observed, with 69.32% mild, 12.88% moderate, and 17.79% severe. A positive association between the source of water and fluorosis was detected (p=0.01). The prevalence of MIH was 18%. Thirty adolescents (41.7%) presented with severe MIH. No association was found between DF or MIH and dentin DC or between MIH and DF at the individual level. However, a significant negative relationship was detected between DF and dentin carious lesions ( p <0.005) and DF and MIH ( p <0.00001) at the tooth level, whereas a positive association was observed between MIH and dentin carious lesions ( p <0.00001). A positive association was also observed between the severity of both conditions ( p <0.00001). Mild DF was the most prevalent problem observed. Cases of teeth with mild MIH were the most predominant in MIH-affected teeth. Conclusions: No association was observed among the dentin carious lesions, MIH, and DF at the participant level. However, a positive association between MIH and dentin carious lesions was found at the tooth level, whereas MIH, DF, and DF and dentin carious lesions showed a negative relationship.
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Affiliation(s)
| | - Vanessa Reinaldo Carvalho
- Universidade de Brasília, Faculdade de Ciências da Saúde, Departamento de Odontologia, Distrito Federal, Brasil
| | - Leandro Augusto Hilgert
- Universidade de Brasília, Faculdade de Ciências da Saúde, Departamento de Odontologia, Distrito Federal, Brasil
| | - Ana Paula Dias Ribeiro
- Universidade de Brasília, Faculdade de Ciências da Saúde, Departamento de Odontologia, Distrito Federal, Brasil.,University of Florida, Department of Restorative Dental Sciences, Gainesville, FL, USA
| | - Soraya Coelho Leal
- Universidade de Brasília, Faculdade de Ciências da Saúde, Departamento de Odontologia, Distrito Federal, Brasil
| | - Eliana Mitsue Takeshita
- Universidade de Brasília, Faculdade de Ciências da Saúde, Departamento de Odontologia, Distrito Federal, Brasil
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