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UNDERSTANDING THE CHEMISTRY IN CHELATE SMEAR LAYER REMOVAL: REVIEW OF LITERATURA

By Fabiano Luiz Heggendorn, Lúcio de Souza Gonçalves and Marcia Tereza Soares Lutterbach

Abstract

The friction caused by endodontic instruments on mineralized matrix of the root canal begets dentin shavings. These shavings associated with organic debris take the appearance of smear layer, which can difficult the penetration of the root canal sealer. Thus, the root canal needs to be clean and free of smear layer in order to achieving the success of the endodontic therapy. In this way, the current study performed a bibliographic review in order to define and discuss about smear layer. It was discussed the desirable properties and chemical kinetics of two different chelating utilized to removing smear layer: EDTA e citric acid. Different mechanism of action of these chelating can provide difference in removing smear layer. Discussion of these results needs to be deepened and assessed regarding clinical utilization. In addition, the association with other irrigates can result in the decrease or enhancement of effectiveness

Topics: endodontic, citric acid, smear layer, EDTA, Medicine, R, Medicine (General), R5-920
Publisher: Universidade Estadual do Sudoeste da Bahia
Year: 2015
OAI identifier: oai:doaj.org/article:2f910a9e55084b37aa4d1e9c938a2062
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