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Eficácia dos instrumentos rotatórios e reciprocantes na redução microbiana: revisão narrativa
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Abstract(s)
O objetivo da presente revisão narrativa foi efetuar uma pesquisa da literatura existente relacionada com a eficácia dos instrumentos rotatórios contínuos e reciprocantes na redução microbiana e a comparação destes, como também as características dos sistemas, que possam conferir uma melhor eficácia. O motor de busca utilizado foi a PubMed, sendo que os artigos publicados antes de 2015 e que não estivessem em português ou inglês foram excluídos.
Foi encontrado uma falta de consenso nos resultados quanto à comparação direta da eficácia dos instrumentos, provavelmente devido à falta de uma metodologia padronizada.
Quanto às características que poderão influenciar a redução microbiana, a anatomia do canal, em forma de C ou oval e a presença de istmos e canais laterais reduzem a eficácia na redução microbiana; assim como o desenho do instrumento e a utilização de hipoclorito de sódio a 5.25% com adjuvantes poderão aumentar a eficácia da redução microbiana.
This narrative revision’s main objective was to browse existing literature related to the efficacy of continuous rotary and reciprocating instruments in microbial reduction and the comparison between the two, but also the characteristics that could confer a higher efficacy. The search engine used was PubMed and articles published before 2015 and that were not in Portuguese or English were excluded. There was a lack of consistency in the results found related to the direct comparison of the efficacy of the instruments, probably due to the lack of a standardized methodology. In terms of characteristics that could influence microbial reduction, canal anatomy, C or oval shaped and the presence of isthmus and lateral canals reduce overall efficacy; on the other hand, instrument design and the use of sodium hypochlorite at a concentration of 5.25% with the use of adjunctive steps can increase overall efficacy in microbial reduction.
This narrative revision’s main objective was to browse existing literature related to the efficacy of continuous rotary and reciprocating instruments in microbial reduction and the comparison between the two, but also the characteristics that could confer a higher efficacy. The search engine used was PubMed and articles published before 2015 and that were not in Portuguese or English were excluded. There was a lack of consistency in the results found related to the direct comparison of the efficacy of the instruments, probably due to the lack of a standardized methodology. In terms of characteristics that could influence microbial reduction, canal anatomy, C or oval shaped and the presence of isthmus and lateral canals reduce overall efficacy; on the other hand, instrument design and the use of sodium hypochlorite at a concentration of 5.25% with the use of adjunctive steps can increase overall efficacy in microbial reduction.
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Keywords
Redução bacteriana Single-file systems Rotary systems Reciprocating Endodontics Desinfection Bacterial reduction