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Influence of chlorexidine application before a self-etching adhesive on microtensile bond strength to deep and superficial dentin

Grant number: 12/20637-0
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): March 01, 2013
Effective date (End): December 31, 2013
Field of knowledge:Health Sciences - Dentistry
Principal researcher:Flavia Lucisano Botelho Do Amaral
Grantee:Mariana de Faria Teixeira Bueno
Home Institution: Centro de Pesquisas Odontológicas São Leopoldo Mandic. Faculdade São Leopoldo Mandic (SLMANDIC). Sociedade Regional de Ensino e Saúde S/S Ltda (SRES). Campinas , SP, Brazil

Abstract

The aim of the present in vitro study is to evaluate the effect of chlorhexidine (synthetic inhibitor of metalloproteinase), applied before a self-etching adhesive system (Clearfil SE Bond) on microtensile bond strength to superficial and deep dentin. Forty dentin specimens will be divided into two groups according to the dentin depth: deep and superficial. After that, specimens will be divided again according to the solution that will be applied to it (n=10): CLX (2% chlorhexidine) and NT (no treatment). A self-etching adhesive system will be applied according to the manufacture's instruction and composite restorative will be placed on the dentin surface. Dentin-resin blocks will be sectioned into 6-8 beam-shaped specimens (1mm2 area) that will be allocated into two groups, according to the moment of micro tensile bond strength evaluation: 24 hours or after a 6-months period of water storage. Data will be statistically analyzed considering its distribution. If there is the normality of errors distribution and homogeneity of variance, parametric tests will be applied; on the contrary, non-parametric tests will be adopted, both with 5% significance level. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
TEIXEIRA BUENO, MARIANA DE FARIA; BASTING, ROBERTA TARKANY; TURSSI, CECILIA PEDROSO; GOMES FRANCA, FABIANA MANTOVANI; BOTELHO AMARAL, FLAVIA LUCISANO. Effect of 2% chlorhexidine digluconate application and water storage on the bond strength to superficial and deep dentin. JOURNAL OF ADHESION SCIENCE AND TECHNOLOGY, v. 29, n. 12, p. 1258-1267, . (12/20637-0)

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