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THE EFFECT OF GUTTA-PERCHA REMOVAL USING NICKEL-TITANIUM ROTARY INSTRUMENTS

엔진 구동형 니켈 티타늄 파일을 이용한 거터퍼쳐의 제거 효과

  • Jeon, Jeong-Hun (Department of Conservative Dentistry, College of Dentistry, Chosun University) ;
  • Min, Jeong-Beom (Department of Conservative Dentistry, College of Dentistry, Chosun University) ;
  • Hwang, Ho-Keel (Department of Conservative Dentistry, College of Dentistry, Chosun University)
  • 전정훈 (조선대학교 치과대학 보존학교실) ;
  • 민정범 (조선대학교 치과대학 보존학교실) ;
  • 황호길 (조선대학교 치과대학 보존학교실)
  • Published : 2004.05.01

Abstract

The purpose of this study was to quantify the amount of remaining gutta-percha/sealer on the walls of root canals when three types of nickel-titanium rotary instruments (Profile. ProTaper and $K^3$) and a hand instrument(Hedstrom file) used to remove these materials. The results of this study were as follows: 1. In the total time for gutta-percha removal. Profile group was the fastest and followed by $K^3$, Protaper, Hedstrom file group. 2. In case of the evaluation of the volume of remained gutta-percha from radiograph. $K^3$ group got the highest score and followed by Protaper. Hedstrom file. Profile group in the apical 1/3. 3. In case of the evaluation of the volume of gutta-percha remained from stereomicroscope, $K^3$ group got the highest score and followed by Protaper. Hedstrom file. Profile group in the apical 1/3. These results showed that instrumentation using nickel-titanium rotary instrument groups was faster than that using hand instrument group. The effect of gutta-percha removal using Profile group was better than that using Protaper and $K^3$ group in the nickel-titanium rotary instrument groups.

Keywords

References

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