상아질 표면 처리제에 의한 복합레진 core의 변연 누출에 관한 연구
AN EXPERMENTAL STUDY ON THE MICROLEAKAGE OF COMPOSITE RESIN CORES TREATED WITH TWO DIFFERENT BONDING AGENTS
조혜원,
소속 상세정보
조혜원 ( ) - 원광대학교 치과대학 치과재료학교실
KMID : 0362219910180010039
Abstract
This study evaluated the microleakage patterns of complete cast gold crowns cemented onto teeth rebuilt with pin-retained resin cores by using two different bonding agents (Clearfil New Bond and Scotchbond 2), and also compared the effect of application of bonding agentover the cervical margin before cementation of crown.
Crowns cemented onto unrebuilt composite resin cores with zinc phosphate ceme its served as controls.
The results were as follows:
1. Scotchbond 2 was more effective than Clearfil New Bond in reducing the microleakage along core-tooth junction.
2. The application of Scotchbond 2 over the cervical margin aided in reducing microleakage along the interfacial cement layer.
3. The crowns cemented onto rebuilt resin cores showed comparable vertical discrepancies with control, and the use of Scotchbond 2 decreased microleakage but failed in complete adaptation.
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