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Brazilian Journal of Oral Sciences
Piracicaba Dental School - UNICAMP
EISSN: 1677-3225
Vol. 10, No. 4, 2011, pp. 250-253
Bioline Code: os11051
Full paper language: English
Document type: Research Article
Document available free of charge

Brazilian Journal of Oral Sciences, Vol. 10, No. 4, 2011, pp. 250-253

 en Influence of gutta-percha cone disinfection on leakage: comparison of two sealability assessment methodologies
Scarparo, Roberta Kochemborger; Canali, Fabiane; Hirai, Vinicio Hidemitsu Goto; da Silva Neto, Ulisses Xavier; Hoppe, Carolina Bender & Grecca, Fabiana Soares

Abstract

Aim: To clarify the influence of 5.25% sodium hypochlorite disinfection of gutta-percha cones on leakage and to compare the outcomes of two sealability assessment methodologies (fluid filtration and dye penetration methods).
Methods: Thirty teeth were prepared and filled using the guttapercha lateral condensation technique. Group I was filled with gutta-percha cones disinfected with sodium hypochlorite 5.25%, while Group II was filled with cones that were not disinfected. Apical leakage was measured using: (a) fluid filtration technique and (b) linear measurement of dye penetration after clearance.
Results: The Student's t-test showed no significant difference between the groups for both techniques (p<0.05).
Conclusions: Both methodologies employed, even with the inherent limitations, were capable of identifying sealing failures. The disinfection of gutta-percha cones with 5.25% sodium hypochlorite did not alter apical leakage.

Keywords
disinfection, gutta-percha, dental leakage, sodium hypochlorite, endodontics

 
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