OBJECTIVE: This study is to compare the dentin bridge thickness achieved using calcium hydroxide and MTA using radiographs. METHODOLOGY: Single blinded randomized controlled trial conducted in the Operative Dentistry department at Fatima Jinnah Dental College and Hospital, Karachi. A total of 100 premolar and molar teeth with class I and II cavities were included in this study. The study participants were assigned into two groups, A and B of 50 participants each. Under local anesthesia, Group A was indirectly pulp capped with Calcium hydroxide (Dycal) and Group B received Mineral Trioxide Aggregate as an indirect pulp capping material. Both groups were then restored with Glass Ionomer Cement. Radiographic follow up was carried out at three and six months to determine mean dentin thickness of reparative dentin bridge. RESULTS: Statistical analysis was performed using SPSS v 23. Independent Sample t-test was applied to evaluate the formation of dentin bridge formation using Ca(OH)2 and MTA at 3 months & 6 months, the outcomes were highly significant (p-value<0.001). Paired sample t-test was applied to evaluate the difference in dentin bridge formation at three months and 6 months, the results were highly significant (p-value <0.001). CONCLUSION: Statistically significant difference was observed in the dentin thickness of reparative dentin bridge amongst the two groups after three months and six months. A greater success rate was noted in the MTA group as compared to the Ca(OH)2 group after 6 months. KEYWORDS: Dentin bridge, Endodontic treatment, Indirect pulp capping, Reparative dentin, randomized controlled trial.
Objective: To ascertain the relationship between dental age and chronological age in patients attending dental OPDs using third molar calcification stages.
Background: Students at pre clinical level at Fatima Jinnah Dental College are taught root canal treatment on endodontic typodonts. Technical quality of the root canal treatments performed by these students was assessed to determine success of teaching methodology and reinforcement of tooth morphology concepts. Methodology: In this cross-sectional study, obturation quality of 20 anterior and 30 posterior endodontic typodonts were evaluated on the parameters of length, density and taper. The collected data was evaluated using SPSS software, version 20.0. Chi square analysis was applied to compare the quality of root canal obturation between types of tooth. Kappa statistics was used for inter examiner reliability. Results: After assessing the three variables, adequate length control was observed in (92.9%), while 7.1% of under filling was seen in both groups. Percentage of teeth showed homogeneity in obturation density that is 30%, 60% teeth showed acceptable, whereas 10% showed unacceptable obturation homogeneity. 55.6% teeth showed perfect obturation taper and 4% showed acceptable. Conclusion: The obtained results showed root canal treatment quality done by Fatima Jinnah Dental College undergraduate dental students to be adequate on anterior endodontic typodont teeth as compared to posterior endodontic teeth. This will guide us in utilizing further demonstration hours and more practice time on posterior endodontic teeth. Our study also displayed the need of incorporating hands on practice of root canal treatments on extracted teeth before students are allowed to work on patients. Keywords: Root Canal Treatment, Endodontic Typodont, Obturation, Preclinical.
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