치과용 레진 시멘트의 피막도에 관한 실험적 연구
An experimental study on the film thickness of resin luting cements
조국현, 송창용, 송광엽, 박찬운,
소속 상세정보
조국현 ( Cho Kook-Hyeon ) - 전북대학교 치과대학 치과보철학교실
송창용 ( Song Chang-Yong ) - 전북대학교 치과대학 치과보철학교실
송광엽 ( Song Kwang-Yeob ) - 전북대학교 치과대학 치과보철학교실
박찬운 ( Park Charn-Woon ) - 전북대학교 치과대학 치과보철학교실
KMID : 0362419940320020212
Abstract
The purpose of this study was to evaluate and compare film thickness of five kinds of resin luting cements [Comspan, Panavia Ex, Maryland bridge adhesive, All-bond C & B cementation kit, and Super-bond C & B]. Zinc-phosphate cement and glass-ionomer cement were used as the control group. In order to measure the film thickness, the methods used were in broad compliance with ADA Specification No. 8, a tapered-die system that simulates clinical conditions more closely, and the connected tapered-die system that simulates bridge conditions. The inorganic filler size of resin cements was also examined with scanning electron micrographs. @ES The results were obtained as follows: @EN 1. The film thickness of resin cements was increased in the order of Comspan, Panavia Ex, Super-bond C & B, Maryland bridge adhesive, and All-bond C & B cementation kit. Maryland bridge adhesive and All-bond C & B cementation kit showed
significantly higher film thickness than the control group(p<0.01). 2. For all resin cements, there was a significant difference of film thickness between the ADA method and the tapered-die system. Generally, the tapered-die system demonstrated lower film thickness than the ADA method(p<0.01). 3. There was no significant difference in film thickness between the tapered-die system and the tapered-die bridge system in all resin cements(p<0.01). 4. The scanning electron microscope showed that the cement with larger filler had a tendency to be higher in film thickness.
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