Proceedings of the KACD Conference (대한치과보존학회:학술대회논문집)

The Korean Academy of Conservative Dentistry (대한치과보존학회)
권호 표지

COMPARISON OF ULTRASONIC AND SONIC ROOT END PREPARATIONS USING BACTERIAL LEAKAGE MODEL

  • Cho, N.Y. (Sungkyunkwan University School of Medicine, Department of Conservative Dentistry, The Institute of Oral Health Science, Samsung Medical Center) ;
  • Park, C.J. (Sungkyunkwan University School of Medicine, Department of Conservative Dentistry, The Institute of Oral Health Science, Samsung Medical Center) ;
  • Park, D.S. (Sungkyunkwan University School of Medicine, Department of Conservative Dentistry, The Institute of Oral Health Science, Samsung Medical Center) ;
  • Yoo, H.M. (Sungkyunkwan University School of Medicine, Department of Conservative Dentistry, The Institute of Oral Health Science, Samsung Medical Center) ;
  • Oh, T.S. (Sungkyunkwan University School of Medicine, Department of Conservative Dentistry, The Institute of Oral Health Science, Samsung Medical Center)
  • Published : 2001.11.01
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Abstract

The purpose of this study was to compare ultrasonic with sonic root end preparations using anaerobic bacterial leakage model. Forty eight single rooted teeth were instrumented with Profile using crown down technique to .06 black and obturated with GP cone and AH 26 root canal sealer using warm vertical condensation technique. The apical 3mm of each root was resected. The teeth were randomly divided into two experimental groups of 20 teeth each and two control groups of four teeth as follows(omitted)

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