V급와동에 충전한 심미성 수복재의 치질과의 접합도에 관한 주사전자현미경적 연구
A sem study on the adaptation of esthetic restorative materials to tooth structure in class V cavities
조영곤, 고창현,
소속 상세정보
조영곤 ( ) - 조선대학교
고창현 ( ) - 조선대학교
KMID : 0362319930180020413
Abstract
The purpose of this study was to evaluate the adaptation of light cured glass ionomer cement and composite resin using all-etch technique to tooth structure.
In this study, class V cavities were prepared on the buccal surfaces of 10 extracted human premolar teeth with cementum margin and teeth were randomly assigned 2 groups of 5 teeth each. The cavities of glass ionomer cement group were filled with
the
light cured glass ionomer ement(Fuji II LC) and the cavities of composite resin group were filled with the light cured composite resion(P-50) using all-etch technique with All-Bond 2.
The restored teeth were stored in 100% relative humidity at 37℃for 48 hours.
And then, the roots of the teeth were removed with the tapered fissure bur and the remaining crowns were sectioned occlusogingivally through the center of restorations.
Adaptation at tooth-restoration interface were assessed occlusally, gingivally, and axially by sanning electron microscope.
@ES The results were as follows :
@EN 1. The adaptation to enamel walls of composite resin restorations using All-Bond 2 showed better than glass ionomer restorations.
2. The adaptation to gingival and axial walls of glass ionomer restorations showed better than composite resin restorations using All-Bond 2.
3. In both groups, occlusal margins of restorations showed better adaptation than gingival margins of restorations.
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