Comparação da desinfecção endodôntica de canais radiculares de dentes decíduos utilizando sistemas rotatório e reciprocante: Estudo in vitro

Autores

DOI:

https://doi.org/10.33448/rsd-v9i8.5882

Palavras-chave:

Odontopediatria; Dente decíduo; Endodontia.

Resumo

Objetivo: Este estudo experimental in vitro objetivou comparar a desinfecção do sistema de canais radiculares de dentes decíduos, utilizando os sistemas rotatório e reciprocante. Metodologia: Quarenta e oito canais radiculares de vinte e quatro dentes molares decíduos foram contaminados com a cepa padrão de Enterococcus faecalis e foram divididos aleatoriamente em 4 grupos (n = 12). O Grupo PN compreendeu os canais radiculares preparados com o sistema rotatório ProTaperTM Next. O Grupo WOG foi definido pelo uso do sistema reciprocante WaveOneTM Gold. As limas dos dois sistemas foram processadas termomecanicamente. O Grupo PU utilizou o sistema ProTaperTM Universal, sem tratamento térmico, e o Grupo C (controle negativo) não recebeu tratamento. As amostras dos canais radiculares foram coletadas com pontas de papel estéreis antes e após a sua preparação, diluídas e distribuídas em placas com Agar de Infusão Cérebro e Coração (BHI). As colônias bacterianas foram contadas e os resultados foram analisados estatisticamente pelos testes de Wilcoxon e Kruskal-Wallis (Dunn). Resultados: Houve redução bacteriana significativa nos sistemas (p> 0,01). No entanto, não houve diferença significativa entre eles (p <0,05) (PN = 3,38; WOG = 3,85; PU = 3,26). Conclusão: Ambos os sistemas (rotatório e reciprocante) fornecem desinfecção no sistema de canais radiculares dos dentes molares decíduos.

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13/07/2020

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FONSECA, L. de A.; CANGUSSU, R. A.; OLIVEIRA, A. S. de; PINHEIRO, S. L.; SHITSUKA, C.; DUARTE, D. A. Comparação da desinfecção endodôntica de canais radiculares de dentes decíduos utilizando sistemas rotatório e reciprocante: Estudo in vitro. Research, Society and Development, [S. l.], v. 9, n. 8, p. e457985882, 2020. DOI: 10.33448/rsd-v9i8.5882. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/5882. Acesso em: 2 jul. 2024.

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Ciências da Saúde