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da Silva TA, de Araújo LP, Gobbo LB, Soares ADJ, Gomes BPFDA, de Almeida JFA, Ferraz CCR. Outcome of root canal treatment of teeth with chronic apical periodontitis treated with foraminal enlargement and 2% chlorhexidine gel: a retrospective cohort study. J Endod 2023:S0099-2399(23)00320-5. [PMID: 37307870 DOI: 10.1016/j.joen.2023.06.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 05/30/2023] [Accepted: 06/05/2023] [Indexed: 06/14/2023]
Abstract
INTRODUCTION This retrospective cohort study aimed to estimate the success rate (SR) of primary root canal treatment on teeth with a diagnosis of pulp necrosis (PN) and asymptomatic apical periodontitis (AAP) when using 2% chlorhexidine gel as an auxiliary chemical substance (ACS) and foraminal enlargement instrumentation technique. METHODS This study evaluated 178 patients with 206 teeth submitted to primary root canal treatment performed by graduate residents in endodontics. The inclusion criteria were patients who underwent treatment over a period of 1 to 7 years on teeth with a diagnosis of PN and AAP. The SR was evaluated clinically and radiographically and categorized considering strict' (complete resolution of periradicular lesion) or 'loose' (reduction in the size of existing periradicular lesion) criteria. Cases of clinical and/or radiographical absence of repair were classified as a failure. Two calibrated examiners independently assessed treatment outcomes using the ImageJ software. RESULTS The SR were 81.1% (95% CI: 75.7% - 86.4%) and 87.4% (95% CI: 82.8% - 91.9%) when considering the 'strict' or 'loose' criteria, respectively. Females had a higher SR when strict criteria were applied. Also, the SR was significantly reduced when there was an increase in the patient's age. CONCLUSION Within the limitations of this study, it was found that teeth with a diagnosis of PN and AAP and treated associating the use of 2% chlorhexidine gel and foraminal enlargement achieved substantial SR. Gender and age were prognostic factors that played a significant role in the SR. Future randomized controlled trials should further investigate the effects of foraminal enlargement and 2% chlorhexidine gel as an ACS.
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Affiliation(s)
- Tamares Andrade da Silva
- Department of Restorative Dentistry, Division of Endodontics, Piracicaba Dental School, State University of Campinas (UNICAMP), Piracicaba, SP, Brazil
| | - Lucas Peixoto de Araújo
- Department of Restorative Dentistry, Division of Endodontics, Piracicaba Dental School, State University of Campinas (UNICAMP), Piracicaba, SP, Brazil. Professor at the School of Dentistry, Catholic University of Pelotas (UCPEL), Pelotas, RS, Brazil
| | - Leandro Bueno Gobbo
- Department of Restorative Dentistry, Division of Endodontics, Piracicaba Dental School, State University of Campinas (UNICAMP), Piracicaba, SP, Brazil
| | - Adriana de Jesus Soares
- Department of Restorative Dentistry, Division of Endodontics, Piracicaba Dental School, State University of Campinas (UNICAMP), Piracicaba, SP, Brazil
| | | | - José Flávio Affonso de Almeida
- Department of Restorative Dentistry, Division of Endodontics, Piracicaba Dental School, State University of Campinas (UNICAMP), Piracicaba, SP, Brazil
| | - Caio Cezar Randi Ferraz
- Department of Restorative Dentistry, Division of Endodontics, Piracicaba Dental School, State University of Campinas (UNICAMP), Piracicaba, SP, Brazil.
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López-Valverde I, Vignoletti F, Vignoletti G, Martin C, Sanz M. Long-term tooth survival and success following primary root canal treatment: a 5- to 37-year retrospective observation. Clin Oral Investig 2023; 27:3233-3244. [PMID: 36933044 PMCID: PMC10264502 DOI: 10.1007/s00784-023-04938-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Accepted: 02/28/2023] [Indexed: 03/19/2023]
Abstract
OBJECTIVES The aims of the present longitudinal retrospective observational case series study were to investigate the survival and success rates of primary non-surgical endodontic therapy. MATERIALS AND METHODS Patients with at least one endodontically treated tooth (ETT), with 5 years of follow-up and in compliance with the recall programme of at least 1 time per year in a private practice setting, were recruited. Kaplan-Meier survival analyses were performed considering (a) tooth extraction/survival and (b) endodontic success as the outcome variables. A regression analysis was performed to evaluate prognostic factors associated with tooth survival. RESULTS Three hundred twelve patients and 598 teeth were included. The cumulative survival rates showed 97%, 81%, 76% and 68% after 10, 20, 30 and 37 years, respectively. The corresponding values for endodontic success were 93%, 85%, 81% and 81%, respectively. CONCLUSIONS The study demonstrated high longevity in symptomless function as well as high success rates of ETT. The most significant prognostic factors associated with tooth extraction were the presence of deep (> 6 mm) periodontal pockets, the presence of pre-operative apical radiolucency and the lack of occlusal protection (no use of a night guard). CLINICAL RELEVANCE The favourable long-term (> 30 years) prognosis of ETT must encourage clinicians to rely on primary root canal treatment when taking the decision regarding whether a tooth with pulpal and/or periapical diseases should be saved or be extracted and replaced with an implant.
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Affiliation(s)
- Isabel López-Valverde
- Section of Periodontology, Faculty of Odontology, University Complutense of Madrid, Madrid, Spain
| | - Fabio Vignoletti
- Section of Periodontology, Faculty of Odontology, University Complutense of Madrid, Madrid, Spain
- Studio Dentistico Vignoletti, Private practice, Verona, Italy
| | | | - Conchita Martin
- Section of Periodontology, Faculty of Odontology, University Complutense of Madrid, Madrid, Spain
| | - Mariano Sanz
- Section of Periodontology, Faculty of Odontology, University Complutense of Madrid, Madrid, Spain
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Pontoriero DIK, Ferrari Cagidiaco E, Maccagnola V, Manfredini D, Ferrari M. Outcomes of Endodontic-Treated Teeth Obturated with Bioceramic Sealers in Combination with Warm Gutta-Percha Obturation Techniques: A Prospective Clinical Study. J Clin Med 2023; 12:jcm12082867. [PMID: 37109206 PMCID: PMC10143487 DOI: 10.3390/jcm12082867] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 03/30/2023] [Accepted: 04/11/2023] [Indexed: 04/29/2023] Open
Abstract
The objective of this clinical study was to collect short-term endodontic outcomes of endodontic-treated teeth (ETT) obturated with different kinds of bioceramic sealers used in combination with warm gutta-percha obturation techniques. Methods: A total of 210 endodontic treatments in 168 patients were performed. At baseline, 155 sample teeth (73.8%) showed symptoms (tenderness or pain to percussion) and 125 (59.5%) showed periapical radiolucency. Periapical radiolucency was present in 125 cases (59.5%); of these, 79 showed a lesion of 5 mm or bigger (63.2%) while lower than 5 mm in 46 cases (36.8%). Regarding ETT with radiolucency, 105 of them (84%) were in coincidence with their need for retreatment and the other 20 (16%) were necrotic teeth. The obturation techniques that were used in this study were: the continuous wave of condensation technique in 75% of cases, and carrier-based technique in 25%. Four bioceramic sealers were used: CeraSeal in 115 cases, BioRoot in 35 cases, AH Plus Bio in 40 cases, and in 20 cases, BIO-C SEALER ION. Preoperative and recall radiographs of the roots were each assigned a periapical index (PAI) score by 2 blinded, independent, and calibrated examiners. The teeth were divided into outcome categories based on the following classification: healed, unhealed, and healing. The healed and healing categories were classified as success, and the unhealed category was classified as failure on the basis of loose criteria. Minimum follow-up period was 18 months. Results: The overall success rate was 99%, with 73.3% healed, 25.7% healing, and 0.95% not healed. The success rate was 100% for initial treatment and 98.2% for retreatment. Fifty-four (N = 54) teeth showed ongoing healing. All of them were retreatment cases with periapical lesions. Regarding the success (healed and healing) versus not healed, no significant difference was found between teeth with or without periapical lesions (p < 0.05). A statistically significant difference in the distribution of healed, healing, and not-healed teeth was found between the groups of teeth with baseline lesions < 5 mm and >5 mm in diameter (p < 0.01) and those with sealer groups (p < 0.01). The success rate of used bioceramic sealers was not statistically significant different (99.1%, 100%, 97.5% and 100%, respectively, for CeraSeal, BioRoot, AH Plus Bio, and BIO-C SEALER ION). Nonetheless, the distribution of healed, healing, and not-healed teeth was different between teeth sealed with different materials (p < 0.01). From the findings of this clinical study, the following conclusion can be drawn: a correct filling of root canals made with warm gutta-percha technique combined with a bioceramic sealer allows a high success rate in endodontically treated teeth.
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Affiliation(s)
| | | | | | - Daniele Manfredini
- Department of Prosthodontics and Dental Materials, University of Siena, 53100 Siena, Italy
| | - Marco Ferrari
- Department of Prosthodontics and Dental Materials, University of Siena, 53100 Siena, Italy
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A Novel Technique for Identification of Wear Values at Different Lengths after Multiple Clinical Use of Different File Systems. Medicina (B Aires) 2022; 58:medicina58081117. [PMID: 36013584 PMCID: PMC9416307 DOI: 10.3390/medicina58081117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 07/30/2022] [Accepted: 08/16/2022] [Indexed: 11/16/2022] Open
Abstract
Introduction The purpose of this research is to assess the wearing of the rotary file system (Protaper Next) and reciprocating file systems (Reciproc Blue and WaveOne Gold) at different lengths using a novel technique after in vivo clinical use. Materials and Methods Twelve different unused samples from each brand were accepted as reference values. For three different brands, the diameters of the files were measured by taking 12 samples used once, 12 samples used twice, and 12 samples used three times. Images were taken with a USB Micron Microscope, and file diameters were measured by determining limit values with Autocad. Result Reciproc Blue system was the most worn at apical 1 mm, and WaveOne Gold system was the most worn at apical 3 mm. PTN system exhibited the least wearing at any length. Moreover, less wearing was observed in the rotation motion than in the reciprocating motion. Conclusion In clinical practice, for the guttapercha to be fully adapted to the apical construction prepared according to the determined WL, the file should not undergo any wearing and volume reduction. Wearing—especially in the apical parts of the file—causes less preparation, and this situation could lead to apically obturation failure.
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Iaculli F, Rengo C, Lodato V, Patini R, Spagnuolo G, Rengo S. Fracture resistance of endodontically-treated maxillary premolars restored with different type of posts and direct composite reconstructions: A systematic review and meta-analysis of in vitro studies. Dent Mater 2021; 37:e455-e484. [PMID: 34148785 DOI: 10.1016/j.dental.2021.06.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 05/31/2021] [Accepted: 06/02/2021] [Indexed: 12/22/2022]
Abstract
OBJECTIVE To conduct a systematic review and meta-analysis to assess if the presence of an endodontic post may increase the fracture resistance of endodontically-treated maxillary premolars directly restored with composite. METHODS A comprehensive systematic literature search according to the PRISMA statement was conducted to assess in vitro studies including endodontically-treated maxillary premolars, restored with different type of posts supporting direct composite reconstructions. Two groups of meta-analyses were performed using fixed effects model and additional Trial Sequential Analysis (TSA) was carried out. Moreover, risk of bias was conducted and quality of evidence for any performed meta-analysis was assessed using Grading of Recommendations Assessment, Development and Evaluation (GRADE). RESULTS Twenty-four articles met the inclusion criteria and 13 studies also underwent quantitative evaluation. Fracture resistance of endodontically-treated premolars restored with fiber posts was significantly less than sound teeth (p value: < 0.00001), however endodontically-treated premolars with a fiber post provided an increase in fracture resistance when compared to equivalent teeth restored without post (p value: 0.003). TSA revealed high power of both meta-analyses. Moderate risk of bias was reported in 23/24 studies; only 1 study showed high risk of bias. GRADE system showed moderate strength of evidence due to the presence of a study with high risk of bias and to wide confidence intervals. SIGNIFICANCE Within the limitation of the present systematic review and meta-analysis, it can be concluded that endodontically-treated maxillary premolars restored with a fiber post and direct composite restoration demonstrated increased fracture resistance when compared to equivalent teeth without post.
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Affiliation(s)
- Flavia Iaculli
- Department of Neuroscience and Reproductive and Odontostomatological Sciences, University of Naples "Federico II", Naples, Italy
| | - Carlo Rengo
- Department of Prosthodontics and Dental Materials, School of Dental Medicine, University of Siena, Siena, Italy
| | - Vincenzo Lodato
- Department of Neuroscience and Reproductive and Odontostomatological Sciences, University of Naples "Federico II", Naples, Italy
| | - Romeo Patini
- Department of Head, Neck and Sense Organs "Fondazione Policlinico Universitario A. Gemelli- IRCCS", School of Dentistry, Rome, Italy
| | - Gianrico Spagnuolo
- Department of Neuroscience and Reproductive and Odontostomatological Sciences, University of Naples "Federico II", Naples, Italy.
| | - Sandro Rengo
- Department of Neuroscience and Reproductive and Odontostomatological Sciences, University of Naples "Federico II", Naples, Italy
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Efficacy of Removing Thermafil and GuttaCore from Straight Root Canal Systems Using a Novel Non-Surgical Root Canal Re-Treatment System: A Micro-Computed Tomography Analysis. J Clin Med 2021; 10:jcm10061266. [PMID: 33803810 PMCID: PMC8003142 DOI: 10.3390/jcm10061266] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 03/12/2021] [Accepted: 03/15/2021] [Indexed: 11/16/2022] Open
Abstract
The present study aims to evaluate the effectiveness of an XP-endo non-surgical root canal re-treatment system in removing both GuttaCore and Thermafil gutta-percha carrier-based root canal filling materials from straight root canal systems using micro-computed tomography (micro-CT) analysis. The study was performed on 20 single-rooted upper teeth, which were randomly allocated into the following study groups: Group A, Thermafil and AH Plus sealer (n = 10); Group B, GuttaCore and AH Plus sealer (n = 10). Before and after the non-surgical root canal re-treatment procedure, the samples were submitted for a micro-CT analysis. The volume of the root canal filling material (mm3), the volume of the remaining root canal filling material (mm3) and the time (minutes) needed to remove the root canal filling material were also recorded. Student's t-test was used to analyze the results. No statistically significant differences were found between the volume of the remaining root canal filling material in the GuttaCore and Thermafil root canal filling systems at the coronal third (p = 0.782), middle third (p = 0.838) or apical third (p = 0.882) of the straight root canal systems; however, the GuttaCore required a statistically significant (p = 0.037) shorter amount of time (4.72 ± 0.76 min) to be removed than the Thermafil carrier-based root canal filling material (5.92 ± 1.42 min). The XP-endo Finisher non-surgical endodontic re-treatment system removes both GuttaCore and Thermafil gutta-percha carrier-based root canal filling materials from straight root canal systems, although removal of the GuttaCore gutta-percha carrier-based root canal filling material required less time.
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