Ácido tânico como agente biomodificador de dentina
DOI:
https://doi.org/10.12662/2317-3076jhbs.v7i2.2389.p182-186.2019Keywords:
Colágeno, Adesivos Dentinários, Polifenóis, ProantocianidinasAbstract
Introdução: a utilização de diferentes polifenóis no aumento das propriedades mecânicas do colágeno dentinário tem sido bastante empregada, sendo o ácido tânico um polifenol com propriedade biológica bastante pronunciada. Objetivo: o objetivo deste estudo é avaliar o potencial biomodificador do ácido tânico (AT) em diferentes concentrações em colágeno dentinário. Métodos: os fatores sob investigação foram módulo de elasticidade, mensurado por meio de um ensaio de flexão de três pontos (n=10) e variação de massa (n=10), aferidos com uma balança de precisão, sendo, para tanto, avaliados os seguintes elementos: ácido tânico (0,1; 1 e 10%), proantocianidina (6,5%) e água destilada (controle). Resultados: quanto ao módulo de elasticidade, os grupos tratados com ácido tânico apresentaram valores, estatisticamente, superiores (p<0,05) aos demais grupos, não sendo observadas diferenças entre suas diferentes concentrações. Para os valores de variação de massa, os grupos que foram imersos em agentes biomodificadores apresentaram valores estatisticamente (p<0,05) superiores ao grupo controle. Conclusão: o ácido tânico se apresenta como um potencial agente biomodificador do colágeno dentinário, independente da concentração utilizada, aumentando o seu módulo de elasticidade e gerando um ganho de massa após uma hora de imersão.Downloads
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