Palavras-chave
Adesivos universais
Clorexidina
Dentes permanentes jovens
Como Citar
Resumo
Objetivo: Analisar a resistência de união à dentina hígida e desmineralizada, imediatamente e após 6 meses, utilizando um prétratamento com (CHX) a 2%. Método: 40 terceiros molares hígidos com desenvolvimento radicular incompleto foram desgastados expondo a dentina. As peças foram submetidas a ciclagem de pH. Eles foram divididos aleatoriamente em 2 grupos: com e sem CHX. Em dentina, foram criados 4 botões de resina utilizando adesivo universal em modo autocondicionante. As amostras foram armazenadas em água destilada a 37ºC até a análise. O microcisalhamento foi realizado às 24 horas
e aos 6 meses de envelhecimento. Resultados:O grupo de dentina saudável, sem CHX imediata apresentou maior resistência adesiva (23,37±1,84). O grupo de dentina desmineralizada, sem CHX , envelhecida apresentou a menor resistência adesiva (8,87±1,51). Conclusões: A CHX antes da aplicação do adesivo não melhoraria os valores de resistência de união em dentina saudável ou desmineralizada a curto ou longo prazo.
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