Restorative Dentistry and Endodontics
- 제24권3호
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- Pages.453-464
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- 1999
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- 2234-7658(pISSN)
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- 2234-7666(eISSN)
무수치 표백술에서 근관내 Base가 표백약제의 누출 방지에 미치는 영향
THE EFFECT OF INTRACANAL BASE ON PREVENTION OF APICAL LEAKAGE OF BLEACHING AGENTS
- 최승호 (연세대학교 치과대학 치과보존학교실) ;
- 노병덕 (연세대학교 치과대학 치과보존학교실) ;
- 박성호 (연세대학교 치과대학 치과보존학교실) ;
- 이승종 (연세대학교 치과대학 치과보존학교실)
- Choi, Seung-Ho (Department of Conservative Dentistry, College of Dentistry, Yonsei University) ;
- Ro, Byeng-Duck (Department of Conservative Dentistry, College of Dentistry, Yonsei University) ;
- Park, Sung-Ho (Department of Conservative Dentistry, College of Dentistry, Yonsei University) ;
- Lee, Seung-Jong (Department of Conservative Dentistry, College of Dentistry, Yonsei University)
- 발행 : 1999.09.05
초록
The non-vital bleaching technique has been used widely as a very effective treatment method on discolored non-vital teeth. But periodontal tissue deterioration and cervical external root resorption have been reported because of the high toxicity of hydrogen peroxide in bleaching agents. So in previous studies, placement of base over the root canal obturation prior to bleaching has been suggested in order to prevent microleakage of bleaching agents, however, the effectiveness of base is still controversial. The purpose of this study was to evaluate the effects of base and root canal sealer on prevention of leakage of bleaching agents in non-vital bleaching. Fifty-two extracted sound teeth with single root were used. For root canal obturation, Tubuli seal
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