Choice of Rotary Instrument Usage Among Endodontists – A Questionnaire Study
Kiruthika Patturaja1 and L. Leelavathi2  

1Saveetha Dental College and Hospitals, SIMATS, Chennai-600077.

2Department of Public health Dentistry,  Saveetha Dental College and Hospital, Saveetha University, SIMATS, Chennai - 600 077.

Corresponding Author E-mail: karleela81@gmail.com

Abstract: The aim of the study is to find the rotary instrument usage and preferred brand of rotary instrument among endodontists working in dental colleges, Chennai. A rotary instrument is used to remove or reduce tooth matter and to shape teeth during endodontic procedure. Rotary instrument includes burs and endodontic files. Various brands of rotary instruments are currently available in the market which includes dentsply protaper, Mtwo, endostar, k3 XF files, Heroshaper etc. The choice of rotary instrument by a dentist is governed by various factors like their efficiency, ductility, sharpness, cross section and flexibility. An online questionnaire based study was conducted among 97 endodontists working in dental colleges in Chennai. A total of 10 questions consisting of both open ended and close ended questions related to usage, preferred brand and properties were included in the questionnaire . Datas were collected from the filled questionnaire and analysed. Descriptive statistics was used. From the study it was reported that 88% of endodontists use rotary instruments for endodontic procedures in their clinical practice. The most preferred brand of rotary instrument used by endodontists is Mtwo (40%) because of its good cutting ability and shaping followed by 20% k3, 18%   protaper, 6% heroshaper and 36% combination of different rotary instruments. Majority of the endodontists preferred using rotary instruments and nearly half of them opt to use mtwo file in their clinical practice.

Keywords: Rotary Instruments; Endodontist; Usage; Niti; Flexible

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