상아질 접착에 대한 차아염소산 나트륨 용액의 영향
Influence of sodium hypochlorite solution on dentin bonding
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Purpose: The purpose of this study was to evaluate the infl uence of 5% sodium hypochlorite solution on dentin surfaces treated with three different adhesives. Materials and Methods: Occlusal superfi cial 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 Clearfi l 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.
Abstract
Purpose: The purpose of this study was to evaluate the infl uence of 5% sodium hypochlorite solution on dentin surfaces treated with three different adhesives. Materials and Methods: Occlusal superfi cial 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 Clearfi l 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.
참고문헌 (32)
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