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Evaluation of cutting ability and plastic deformation of reciprocating files
KOWALCZUCK, Alexandre; SYDNEY, Gilson Blitzkow; MARTINEZ, Elizabeth Ferreira; CARDOSO, Rielson José Alves.
  • KOWALCZUCK, Alexandre; Faculdade São Leopoldo Mandic. Department of Endodontics. Campinas. BR
  • SYDNEY, Gilson Blitzkow; Faculdade São Leopoldo Mandic. Department of Endodontics. Campinas. BR
  • MARTINEZ, Elizabeth Ferreira; Faculdade São Leopoldo Mandic. Department of Endodontics. Campinas. BR
  • CARDOSO, Rielson José Alves; Faculdade São Leopoldo Mandic. Department of Endodontics. Campinas. BR
Braz. oral res. (Online) ; 30(1): e10, 2016. tab
Artículo en Inglés | LILACS | ID: lil-768260
ABSTRACT
Abstract This in vitro study evaluated the cutting ability of reciprocating files and the deformations caused by their multiple use. Five Reciproc® R25 files were divided into five groups for 10 simulated root canal preparations each. The resin blocks were weighed and photographed (12.5X and 20X) before and after preparation. The canals were prepared according to the manufacturer’s instructions. Enlargement of the root canals was evaluated by comparison of pre- and post-preparation images using a computer software. The preoperative and postoperative weight differences determined the cutting ability of repeatedly used instruments. The data were analyzed using Lilliefors and Friedman statistical tests. The cutting ability and enlargement of the canals gradually decreased after each use, with significant differences observed at the 8th and 9th repetitions, respectively. There was no evidence of file deformation. The cutting ability and enlargement of the simulated canals gradually decreased when a reciprocating file was used up to 10 times.
Asunto(s)


Texto completo: Disponible Índice: LILACS (Américas) Asunto principal: Preparación del Conducto Radicular / Instrumentos Dentales Tipo de estudio: Estudios de evaluación Idioma: Inglés Revista: Braz. oral res. (Online) Asunto de la revista: Odontología Año: 2016 Tipo del documento: Artículo País de afiliación: Brasil Institución/País de afiliación: Faculdade São Leopoldo Mandic/BR

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Texto completo: Disponible Índice: LILACS (Américas) Asunto principal: Preparación del Conducto Radicular / Instrumentos Dentales Tipo de estudio: Estudios de evaluación Idioma: Inglés Revista: Braz. oral res. (Online) Asunto de la revista: Odontología Año: 2016 Tipo del documento: Artículo País de afiliación: Brasil Institución/País de afiliación: Faculdade São Leopoldo Mandic/BR