Torsional strength of gates glidden drills exposed to clinical conditions

Gates Glidden drills are exposed to a variety of conditions during clinical usage. These usually include canal preparation, endodontic irrigants, and sterilization procedures. All sizes 1 to 6 ( n = 5/size) were tested and the torsional fracture strength determined. There were four groups ( n = 30/g...

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Bibliographic Details
Published inJournal of endodontics Vol. 25; no. 2; pp. 126 - 127
Main Authors Svec, Timothy A., Powers, John M.
Format Journal Article
LanguageEnglish
Published United States Elsevier Inc 01.02.1999
Subjects
Analysis of Variance
Dental Instruments
Dentistry
Materials Testing
Root Canal Irrigants
Root Canal Preparation - instrumentation
Sodium Hypochlorite
Sterilization
Tensile Strength
Torque
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Summary:Gates Glidden drills are exposed to a variety of conditions during clinical usage. These usually include canal preparation, endodontic irrigants, and sterilization procedures. All sizes 1 to 6 ( n = 5/size) were tested and the torsional fracture strength determined. There were four groups ( n = 30/group): group A, control; group B, sterilized 10 times; group C, exposed to 5.25% NaOCl during testing; and group D, sterilized 10 times and exposed to NaOCl during testing. Data were analyzed by ANOVA. Tukey-Kramer intervals at the 0.05 significance level were calculated. No significant differences were noted as a result of simulated clinical conditions. The larger diameter instruments had significantly higher torsional fracture strength.
Bibliography:ObjectType-Article-1
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ISSN:0099-2399
1878-3554
DOI:10.1016/S0099-2399(99)80011-9