PMID: 8601516Nov 1, 1995Paper

Machining efficiency of nickel-titanium K-type files in a linear motion

International Endodontic Journal
J J Camps, W J Pertot

Abstract

The purpose of this study was to compare, in vitro, the machining efficiency of four brands of nickel-titanium files and two brands of stainless steel K-type files. Instruments sizes 15 to 40 were tested in a linear motion simulating the clinical motion used to remove a file from the canal. The tips of the loaded files were in contact with a resin block. The load applied increased with file size. An indentation varnish caliper was used to measure the depth of the groove after 100 back-and-forward motions. The stainless steel instruments with a triangular cross-section were more efficient than the stainless steel instruments with a square cross-section. There was a significant discrepancy between the machining ability of the nickel-titanium K files. The Maillefer instruments were the most efficient.

References

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Citations

Oct 12, 2000·Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics·R B KazemiL S Spångberg
Aug 5, 2011·Journal of Conservative Dentistry : JCD·Doglas CecchinRicardo Gariba-Silva
Mar 8, 2014·Medical Science Monitor : International Medical Journal of Experimental and Clinical Research·Alessio Giansiracusa RubiniGianluca Gambarini
Jul 30, 2014·Journal of Endodontics·Gianluca PlotinoGianluca Gambarini
Apr 27, 2010·Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics·Jeffrey WanAllan S Deutsch
Jan 25, 2008·Journal of Endodontics·Edgar Schäfer, Mirjam Oitzinger
May 25, 2005·International Endodontic Journal·J W KimZ Cai
Dec 1, 1996·Endodontics & Dental Traumatology·E Brau-AguadéE Berástegui-Jimeno

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