상아질 접착에 대한 차아염소산 나트륨 용액의 영향
Influence of sodium hypochlorite solution on dentin bonding
박병철, 이명선, 조영곤,
소속 상세정보
박병철 ( Park Byung-Cheol ) - 조선대학교 치의학전문대학원 치과보존학교실
이명선 ( Lee Myung-Seon ) - 서영대학교 치위생과
조영곤 ( Cho Young-Gon ) - 조선대학교 치의학전문대학원 치과보존학교실
KMID : 0353320120360020130
Abstract
Purpose: The purpose of this study was to evaluate the influence of 5% sodium hypochlorite solution on dentin surfaces treated with three different adhesives.
Materials and Methods: Occlusal superficial dentin surfaces of 42 extracted teeth were exposed. Slabs were made and divided into three groups (One-Step Plus, Clearfil SE Bond, and G-Bond groups). Each group was subdivided according to dentin treatment. Composite resins were bonded to dentin surfaces of each group. Bonded specimens were subjected to uSBS test and fractured patterns observed under FE-SEM.
Results: When the One-Step Plus was applied, application of 5% NaOCl increased uSBS and showed close adaptation. On the other hand, in cases of Clearfil SE Bond and G-Bond, application of 5% NaOCl decreased uSBS and showed gaps between the dentin and composite resin.
Conclusion: Application of 5% NaOCl increased or decreased dentinal bond strength according to the adhesive used.
키워드
Dentin surfaces; Self-etching adhesives; Self-etching primers; Sodium hypochlorite; Phosphoric acid
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