SEM analysis of smear layer removal after manual and automated handpiece root canal preparation
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Data
1996
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Resumo
Scanning electron microscopy was used to analyze the smear layer removal after root canal preparation by a
manual technique and by an automated handpiece, the Canal Finder System (CFS). When 1% sodium
hypochlorite was used as the irrigating solution, both manual and CFS techniques showed root canal walls
with a dense smear layer obscuring the dentinal tubules entrance plus a large amount of debris. Root canal
walls of the group of teeth treated with a chelating agent (EDTA) for 5 min and a final flush, after the
preparation, with 1% sodium hypochlorite as an irrigating solution showed the cervical, middle and apical
thirds extremely smooth and clear.
Descrição
Palavras-chave
Automated handpiece, Root canal preparation, Smear layer
Citação
SYDNEY, Gilson Blitzkow et al. SEM analysis of smear layer removal after manual and automated handpiece root canal preparation. Brazilian Dental Journal, Ribeirão Preto, v. 7, n. 1, p. 19-26, 1996.