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Paper Details

Sealing Ability of Four Root End Filling Materials: A Glucose Penetration Leakage Study

Sindhu S Reddy, Sujatha V, S Mahalaxmi.

Journal Title:Advances in Human Biology

Background: The aim of this study was to determine the sealing ability of four root end filling materials- Intermediate Restorative Material (IRM), Mineral Trioxide Aggregate, Geristore and Retroplast using a glucose leakage model. Material and Method: 100 extracted teeth were used for this study. The teeth were divided into 6 groups 4 experimental groups of 20 teeth each and 2 control groups of 10 teeth each. In the positive control, no root end filling was done and in the negative control, the teeth were completely coated with nail varnish. All the teeth were instrumented, their apices were resected. 3mm deep root end preparations were prepared with retrotips. The root end cavities of the experimental groups were filled with the retrograde filling materials. The materials were manipulated according to the manufacturers instructions. Each tooth was mounted in a glucose leakage device as described by Xu and coworkers.6 The amount of glucose was determined by a UV-VIS recording spectrophotometer at 500-nm wavelength. The results were analyzed using One way ANOVA followed by Tukey- HSD procedure and Students paired t-test. Results: The results showed that Mineral Trioxide Aggregate showed the least leakage compared to other three experimental groups. Conclusion: According to the results of this study, MTA showed the least leakage at both 7th and 14th days and hence can be considered as the material of choice for root end filling.