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접착제의 다층적용이 복합레진의 전단결합강도에 미치는 영향

Influence of multiple adhesive coatings on the shear bonding strength

이상호|이창섭|이난영|박헌동
대한소아치과학회 (The Korean Academy Of Pediatric Dentistry)|2006.08|대한소아치과학회지 (Journal of the Korean academy of pediatric dentistry)|제33권 제3호|pp. 377-387

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참고문헌

키워드

AdhesivesShear bond strength전단결합강도접착제다층적용Multiple coating
주제분류치의학

초록

본 연구는 자가산부식 접착시스템과 자가산부식 프라이머 접착시스템의 다층적용이 혼성층 및 adhesive layer의 형성 양상, 그리고 전단결합강도에 미치는 영향 등을 비교 평가하기 위하여 시행되었다. 영구 구치 140개의 치아를 근원심으로 분할하여 협면 혹은 설면의 상아질을 이용하였다. 각 접착시스템을 1회, 2회, 3회 도포, 그리고 1회 도포 후 광중합한 후 1회의 추가 도포한 군으로 분류하였다. 전단결합강도와 혼성층 및 adhesive layer 두께를 측정하여 분석한 결과 다음과 같은 결론을 얻었다. 1. 모든 접착제에서 도포횟수가 증가함에 따라 adhesive layer의 두께가 증가하였으며(p<0.05), Adpor Prompt L-Pop 과 Xeno III에서는 자가산부식 프라이머 시스템에서보다 작게 나타났다(p<0.05). 2. Adpor Prompt L-Pop에서 혼성층은 도포횟수에 따라 혼성층의 두께도 증가하였다(p<0.05). 3. Unifill Bond와 Clearfill SE Bond의 전단결합강도는 Scotchbond Multi-Purpose Plus와 Adpor Prompt L-Pop에 서보다 높게 나타났으며(p<0.05), Xeno III와는 유사하였다. 4. Adpor Prompt L-Pop은 접착제의 도포횟수가 증가함에 따라 전단결합강도는 유의하게 증가되었으며(p<0.05), AdheSE에서는 3회 도포한 경우 전단결합강도가 감소하는 경향을 보였다(p>0.05). 5. Adpor Prompt L-Pop과 Xeno III에서 첫 층을 중합한 후 두 번째 층을 추가 도포한 경우 전단결합강도는 감소하였다(p<0.05).

Abstract

The objective of this study was to evaluate the influence of multiple adhesive coatings on the thickness of hybrid and adhesive layer and shear bond strength(SBS) of self-etch adhesives and self-etch primer adhesives. The buccal or lingual crown dentin of extracted human molars was used. Self-etch adhesives or selfetch primer adhesives were applied 1, 2 and 3 times on the dentin before light curing. In another group adhesives were re-applied after light curing first layer. Treated surfaces were prepared to measure the thickness of hybrid and adhesive layer with SEM, and shear bond strength to dentin using an Instron machine. The following results were obtained: 1. The adhesive layers increased with the number of coatings(p<0.05) with all adhesives. Adpor Prompt L-Pop and Xeno III were significantly thinner than self-etch primer adhesives(p<0.05). 2. The thickness of hybrid layers increased with the number of coatings(p<0.05). 3. The shear bonding strength of Unifil Bond and Clearfill SE Bond were higher than Scotchbond Multipurpose Plus and Adpor Prompt L-Pop(p<0.05), and similar with Xeno III. 4. The shear bond strength increased significantly with the number of coatings in Adpor Prompt LPop(p<0.05), but decreased at 3 times in AdheSE Bond(p>0.05). 5. In Adpor Prompt L-Pop and Xeno III, the shear bond strength decreased when adhesives were re-applied after curing the first adhesive layer.

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관련 논문AI추천

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