Restorative Dentistry and Endodontics
- Volume 11 Issue 1
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- Pages.53-61
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- 1985
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- 2234-7658(pISSN)
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- 2234-7666(eISSN)
A STUDY OF THE APICAL LEAKAGE OF VARIOUS RETROGRADE TECHNIQUES
치근단 폐쇄방법에 따른 변연누출에 관한 실험적 연구
- Park, Sang-Ho (Department of Operative Dentistry, Yonsei University) ;
- Lee, Chan-Young (Department of Operative Dentistry, Yonsei University) ;
- Lee, Seung-Jong (Department of Operative Dentistry, Yonsei University) ;
- Lee, Chung-Suck (Department of Operative Dentistry, Yonsei University)
- Published : 1985.12.31
Abstract
This study was conducted to evaluate and compare the apical leakage in the following retrograde techniques; apicoectomys, retrograde filling with zinc oxide eugenol cement, non-zinc and zinc amalgam, and cold-burnished gutta-percha method. One hundred twenty five upper anterior and lower premolar teeth were divided into five above mentioned groups and each tooth was individually prepared for its particular group. The specimens were incubated at
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