Comparative analysis of the diameter of MTwo® system gutta-percha points in relation to their corresponding instruments
Journal Title: RSBO - Year 2013, Vol 10, Issue 1
Abstract
Introduction and Objective: This study aimed to compare the diameter of sizes 25/.06, 30/.05, 35/.04, 40/.04 and 25/.07 main gutta-percha point of MTwo® system in relation to their corresponding nickel-titanium instruments. Material and methods: For this purpose, the measurements of both the main gutta-percha points and their corresponding instruments were obtained with the aid of a caliper at the positions D1, D3 and D11. Twenty points and six instruments of each size were used. Results: Data were subjected to student t test, with a significance level of 5%. It could be observed that there was a variation in the diameter of the gutta-percha points in relation to the diameter of the instruments. At D1 and D3, size 25/.07 points had diameters significantly higher than their respective instruments. At D11, sizes 25/.06, 25/.07, 30/.05 and 35/.04 points also had significantly higher diameters. For size 40/.04 point, there were no statistically significant differences between the point and instrument diameters. Conclusion: Most of the main gutta-percha points of MTwo® system analyzed in this study showed significantly greater diameters than those of their corresponding instruments. Only the size 40/.04 points did not present significant differences in diameter compared with their corresponding instrument.
Authors and Affiliations
Alexandre Salles, Caroline Cord, Taciane Sonnemann, Tiago de Melo, Luis Irala, Elias de Oliveira
Keywords
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