아말감과 심미성 수복재료와의 전단 결합강도에 관한 연구
A study on the shear bond strength of esthetic restorative materials to dental amalgam
강명상, 김정범,
소속 상세정보
강명상 ( ) - 경상대학교 의과대학 임상병리과학교실
김정범 ( ) - 경희대학교
KMID : 0362319950200010129
Abstract
Composite resin and glass-ionomer cement can be used for the purpose of repair of defective amalgam restoration. The purpose of this study was to evaluate of shear bond strength of esthetic restorative materials to dental amalgam.
The materials used in this study were Photo Clearfil Bright (light curing composite resin), Clearfil F II(chemical curing composite resin), Fuji II L (light curing glass-ionomer cement), Fuji II(chemical curing glass-ionomer cement), All-Bond
2(intermediary), and Scotchbond Multi-Purpose(intermediary).
A total of 120 acrylic cylinders with amalgam were divided into 8 groups After amalgam condensation, all specimens were stored for 48 hours in water at 37℃and tested with Instron universal testing machine between amalgam and composite resins and
glass-ionomer cements.
The data were analyzes statiscally by ANOVA and Duncan test.
@ES The following results obtained;
@EN The shear bond strength of bonded composite resin to amalgam was higher than bonded glass-ionomer cement(P<.001).
2. The group 4 had highest shear bond strength with 15.45kgf/cm?and the group 5 had lowest shear bond strenght with 3.26kgf/cm?P<.001).
3. In the group 3, 4, 5, 6, the group 3, 4 with All-Bond 2 had higher shear bond strength than the group 5, 6 with Scotchbond MP both in lightt-curing and in chemical curing. Shear bond stength than light curing materials(P<.001).
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