The Journal of Japan Endodontic Association
Online ISSN : 2432-4493
Print ISSN : 1340-6248
Original Article
Evaluation of a system for preventing intracanal breakage of endodontic files
Tadashi SOTOKAWA
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JOURNAL FREE ACCESS

2000 Volume 21 Issue 2 Pages 85-88

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Abstract

Abstract : The present study was carried out to evaluate a system established by the author to prevent intracanal breakage of endodontic files. It consists of four factors : file-selection, file-maintenance, file-handling, and predetermined periods of use for endodontic files of all sizes. The system underwent a seven year clinical use at the author’s clinic. During the seven year period, 4,075 files were discarded after preparation of 5,357 root canals (0.76 per root).

 No breakage was observed in all the files.

 It was concluded that this system was found to be most effective against clinical breakage. Adoption of this system, at both private dental clinics like the author’s and larger dental clinics, will save labor in the process of removing the separated instrument fragment from the inside of the root canal.

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© 2000 Japan Endodontic Association
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