Self-etching priming/bonding agent를 이용한 수복에서microleakage에 관한 연구
The study on the microleakage of the restoration with self-ecthing priming/bonding agent
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참고문헌
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초록
Bonding Agent는 1세대에서 5세대에 거치기까지 많은 발전을 하였고, 최근에는 임상술식과정의 단축에 있어 비약적인 발전을 보였다. 최근에 개발되어 소개된 self-etching priming/bonding agent는 6세대 bonding agent로 분류되며, 이를 이용하여 법랑질 및 상아질에 대한 복합 레진의 충전시 발생하는 미세누출을 methylene blue를 이용하여 관찰한 결과, 상아질에서는 기존의 4세대 5세대 접착제와 유의한 차이가 없었으나, 법랑질에서는 6세대 bonding agent가 통계학적으로 높은 미세누출 양상을 보였다.
Abstract
Self-etching priming bonding system was recently developed in order to simplify the clinical skills & save chair time after continuous improvements on dentin bonding agents. To test the magnitude of microleakage of a new "self-etching priming bonding agent" using sound premolar, 4th, 5th, 6th generation dentin bonding agent was applied. Measure the magnitude of infiltration to the gap of enamel-restoration interface and dentin-restoration interface. After bonding of composite resin to sample surfaces according to the manufactures direction and 500 times thermocycling en dwell time 30 second, and microleakage was measured by the ratio of the depth to the axial wall and the magnitude of infiltration. Afterward analyzed by ANOVA test. The result were as follows ; 1. Enamel groups showed lesser microleakage (Group I,II,III,IV) than dentin groups(Group V,VI,VII,VIII). (p< 0.05) 2. There are no statical differences among the dentin groups, in enamel groups, group IV showed more microleakage than group I,II,III. (p< 0.05) For a clinical acceptance, better enamel marginal adaptation is required.
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