INSTRUMENTOS RECIPROCANTES EM ENDODONTIA
Resumo
A adequada limpeza e a formatação dos canais radiculares são requisitos fundamentais para viabilizar o sucesso do tratamento endodôntico. No intuito de qualificar e simplificar essa etapa, foram desenvolvidos os sistemas reciprocantes, que visam ainda diminuir o risco de fratura dos instrumentos pela cinemática diferente empregada a eles, bem como pelos tratamentos térmicos realizados na liga metálica durante a sua fabricação. Este trabalho teve como propósito, através de uma revisão de literatura, estudar a instrumentação reciprocante em Endodontia. Para a sua concretização, foi realizado um levantamento bibliográfico na base de dados do Pubmed, onde 132 artigos foram escolhidos inicialmente. Desses, 42 foram selecionados por possuírem relação direta com o objetivo do estudo. Considerou-se que os instrumentos reciprocantes, quando comparados a outros disponíveis no mercado, detêm as seguintes características: resistência mais elevada à fratura e, por conseguinte, uma maior vida útil; maior rapidez e grande capacidade de chegar ao comprimento de trabalho; desgastam de forma centralizada e conservadora; oferecem uma maior segurança ao operador e demandam uma menor curva de aprendizado. Porém, assim como os demais instrumentos, a capacidade de limpeza ainda é uma problemática, exigindo atenção e dedicação do profissional durante a etapa de preparo químico-mecânico.
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