Restorative Dentistry & Endodontics

Kanet Chotvorrarak

2 Articles

Retrospective study of fracture survival in endodontically treated molars: the effect of single-unit crowns versus direct-resin composite restorations: Kanet Chotvorrarak, Warattama Suksaphar, Danuchit Banomyong; Restor Dent Endod 2021;46(2):e29. Published online May 6, 2021; DOI: https://doi.org/10.5395/rde.2021.46.e29

Objectives

This study was conducted to compare the post-fracture survival rate of endodontically treated molar endodontically treated teeth (molar ETT) restored with resin composites or crowns and to identify potential risk factors, using a retrospective cohort design.

Materials and Methods

Dental records of molar ETT with crowns or composite restorations (recall period, 2015–2019) were collected based on inclusion and exclusion criteria. The incidence of unrestorable fractures was identified, and molar ETT were classified according to survival. Information on potential risk factors was collected. Survival rates and potential risk factors were analyzed using the Kaplan-Meier log-rank test and Cox regression model.

Results

The overall survival rate of molar ETT was 87% (mean recall period, 31.73 ± 17.56 months). The survival rates of molar ETT restored with composites and crowns were 81.6% and 92.7%, reflecting a significant difference (p < 0.05). However, ETT restored with composites showed a 100% survival rate if only 1 surface was lost, which was comparable to the survival rate of ETT with crowns. The survival rates of ETT with composites and crowns were significantly different (97.6% vs. 83.7%) in the short-term (12–24 months), but not in the long-term (> 24 months) (87.8% vs. 79.5%).

Conclusions

The survival rate from fracture was higher for molar ETT restored with crowns was higher than for ETT restored with composites, especially in the first 2 years after restoration. Molar ETT with limited tooth structure loss only on the occlusal surface could be successfully restored with composite restorations.

Citations

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Risk factors for the appearance of cracks and fractures of teeth according to a survey of dentists
Emilia A. Olesova, Alexander A. Ilyin, Sergey D. Arutyunov, Elena V. Glazkova, Arsen A. Popov, Svetlana P. Iarilkina
Russian Journal of Dentistry.2024; 28(6): 562. CrossRef
Performance of Bonded Lithium Disilicate Partial-coverage Crowns in the Restoration of Endodontically Treated Posterior Teeth: An Up to Seven-Year Retrospective Study
Q Jiang, Z Wang, S Zhang, X Liu, B Fu
Operative Dentistry.2024; 49(4): 365. CrossRef
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Antioxidants.2024; 13(9): 1116. CrossRef
Stress Analysis on Mesiolingual Cavity of Endodontically Treated Molar Restored Using Bidirectional Fiber-Reinforced Composite (Wallpapering Technique)
Harnia Neri, Dudi Aripin, Anna Muryani, Hendra Dharsono, Yolanda Yolanda, Andi Mahyuddin
Clinical, Cosmetic and Investigational Dentistry.2024; Volume 16: 75. CrossRef
Effect of Luting Cement Film Thickness on the Pull-Out Bond Strength of Endodontic Post Systems
Khalil Aleisa, Syed Rashid Habib, Abdul Sadekh Ansari, Ragad Altayyar, Shahad Alharbi, Sultan Ali S. Alanazi, Khalid Tawfik Alduaiji
Polymers.2021; 13(18): 3082. CrossRef

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Bacterial leakage and micro-computed tomography evaluation in round-shaped canals obturated with bioceramic cone and sealer using matched single cone technique: Kallaya Yanpiset, Danuchit Banomyong, Kanet Chotvorrarak, Ratchapin Laovanitch Srisatjaluk; Restor Dent Endod 2018;43(3):e30. Published online July 5, 2018; DOI: https://doi.org/10.5395/rde.2018.43.e30

Abstract PDF PubReader ePub

Objectives

To evaluate sealing ability of root canals obturated with bioceramic-impregnated gutta percha cone (BCC) or gutta percha (GP), with bioceramic sealer (BCS) or AH Plus (AH; Dentsply-Maillefer), in roundly-prepared canals using matched single-cone technique, based on bacterial leakage test, and to analyze obturation quality using micro-computed tomography (CT) analysis.

Materials and Methods

Ninety-two distobuccal roots of maxillary molars were prepared using nickel-titanium files to apical size 40/0.06. The roots were divided into 4 groups (n = 20) that were obturated with a master cone and sealer: GP/AH, BCC/AH, GP/BCS, and BCC/BCS. Bacterial leakage model using Enterococcus faecalis was used to evaluate sealing ability for 60-day period. Obturated samples from each group (n = 4) were analyzed using micro-CT.

Results

All groups showed bacterial leakage at 20%–45% of samples with mean leakage times of 42–52 days. There were no significant differences in bacterial leakage among the groups. Micro-CT showed minimal gaps and voids in all groups at less than 1%.

Conclusions

In roundly-prepared canals, the single cone obturation with BCC/BCS was comparable to GP/AH for bacterial leakage at 60 days.

Citations

Citations to this article as recorded by

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