Sistema adesivo universal em restaurações de amálgama classe II

Autores

  • Armiliana Soares Nascimento Faculdade de Odontologia de Pernambuco
  • Eliana Alves de Lima Faculdade de Odontologia de Pernambuco
  • Yasmine de Carvalho Souza Faculdade de Odontologia de Pernambuco
  • Joseane Delfino Canto Faculdade de Odontologia de Pernambuco
  • Marcia de Almeida Durão Faculdade de Odontologia de Pernambuco
  • Rodivan Braz Faculdade de Odontologia de Pernambuco

DOI:

https://doi.org/10.15448/1980-6523.2016.3.21397

Palavras-chave:

Adesivos, Adesivo universal, Amálgama, Micro-infiltração, Classe II

Resumo

Objetivo: avaliar a eficácia do sistema adesivo na redução da microinfiltração em restaurações de amálgama classe II.
Metodologia: Os dentes foram divididos aleatoriamente em três grupos iguais: Grupo I foi o controle (Copal Vanish); Grupo II: Single Bond Universal 3M ESPE – (com e sem ácido – 37%); e Grupo III: All bond Universal – BISCO (com e sem ácido – 37%) com posterior condessação do amálgama. Os ápices foram então seladas com resina acrílica e armazenado durante 24 horas em 100% de humidade. Após a armazenagem, as amostras foram submetidas a 500 ciclos de termociclagem (5°C e 55°C). Os dentes foram isolados com esmalte para unha e foram imersos em 0,5 de fucsina básica por 24 horas. Em seguida os dentes foram seccionados com disco de diamante e observados sob microscópio estereoscópico. A microinfiltração foi avaliada usando uma escala de penetração do corante de 0-3. Os dados foram analisados utilizando o teste de Kruskal-Wallis (p<0,05).
Resultados: os escores revelaram menor infiltração nos grupos experimentais do que no grupo de controle. A infiltração para os adesivos sem condicionamento ácido foi reduzida, embora sem significância estatística (p<0,05).
Conclusão: O material adesivo imediato atuou efetivamente como uma barreira para microinfiltração, quando foi aplicada sem condicionamento ácido.

Biografia do Autor

Armiliana Soares Nascimento, Faculdade de Odontologia de Pernambuco

DEPARTAMENTO DE ODONTOLOGIA - ODONTOLOGIA

Eliana Alves de Lima, Faculdade de Odontologia de Pernambuco

Departamento de Odontologia

Yasmine de Carvalho Souza, Faculdade de Odontologia de Pernambuco

Departamento de Odontologia

Joseane Delfino Canto, Faculdade de Odontologia de Pernambuco

Departamento de Odontologia

Marcia de Almeida Durão, Faculdade de Odontologia de Pernambuco

Departamento de Odontologia

Rodivan Braz, Faculdade de Odontologia de Pernambuco

Departamento de Odontologia

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Publicado

2016-12-31

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Artigo Original