Analysis of two different endodontic desobturation techniques through clearing teeth technique
Journal Title: RSBO - Year 2012, Vol 9, Issue 1
Abstract
Introduction and objective: This study aimed to analyze in vitro the efficacy of two endodontic techniques employed for the removal of the filling material inside root canals. Material and methods: Twenty single-rooted lower bicuspids were selected, prepared by crown-down technique and filled with gutta-percha and Endofill® sealer, through lateral condensation technique. The provisional restoration was executed with Cimpat® and the teeth remained 15 days at 37°C and 100% humidity. Next, the teeth were divided into two groups according to the technique of desobturation and re-instrumentation. In group A, it was used ProTaper Universal® instrument sizes D1, D2 and D3 for desobturation procedure associated with the same system instrument sizes F4 and F5 for re-instrumentation. In group B, it was employed K type hand files for desobturation and re-instrumentation. After clearing teeth technique, the teeth examination was performed by two examiners previously trained and calibrated. Results and conclusion: Data were subjected to Fisher’s exact test, with significance level of 5%, which showed no statistical difference between the two techniques.
Authors and Affiliations
Mário Queiróz, Elias Oliveira, Tiago Melo, Érica Mautone, Aline Colpo
Keywords
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