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논문 기본 정보

자료유형
학술저널
저자정보
장지현 (강동경희대학교) 최영중 (전남대학교) 이빈나 (전남대학교) 장훈상 (전남대학교) 황윤찬 (전남대학교) 오원만 (전남대학교) 황인남 (전남대학교)
저널정보
대한치과재료학회 대한치과재료학회지 대한치과재료학회지 제42권 제4호
발행연도
2015.12
수록면
353 - 363 (11page)
DOI
10.14815/kjdm.2015.42.4.353

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초록· 키워드

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The purpose of this study was to evaluate the effect of timing of dentin sealing and provisional restoration methods on the bond strength of composite resin to dentin. Flat dentin surfaces were prepared and the teeth were divided into three groups: control, resinrestoration with immediate dentin sealing (IDS), and resin restoration with delayed dentin sealing (DDS). For the control group, a dentin surface was bonded by using dual-curing dentin adhesive (Excite DSC) and restored with resin immediately. For the IDS groups, a dentin was sealed with OptiBond FL (OB) or Hybrid Coat (HC), and it was restored with following 3 provisional restoration methods: SQ/PQ/CQ {SQ, water-soluble separator (SEP) + provisional resin; PQ, petroleum jelly + provisional resin; CQ, temporary cement (Cavitec) + provisional resin}. For the DDS groups, a dentin was temporized with 2 provisional restoration methods: Q/CQ (Q, provisional resin only) without dentin sealing. After a week, the provisional restoration was removed and cleaned. The treated dentin surface was bonded using Excite DSC and restored with resin, followed by microtensile bond strength (μTBS) tests. The μTBS of control and the IDS-OB groups were not significantly different (P>0.05). The DDS groups presented lower μTBS than control and the IDS-OB groups (P<0.05). The IDS-HC groups were exhibited lowest μTBS than other groups (P<0.05). There was no significant difference in the μTBS regardless of provisional restorative method in the IDS groups (P>0.05). However, using CQ significantly lower the μTBS than using Q in the DDS groups (P<0.05). IDS with a etch-and-rinse type dentin bonding agent improved the bond strength. The use of ZOE-containing cement on the unsealed dentin surface decreased the μTBS.

목차

Abstract
Ⅰ. INTRODUCTION
Ⅱ. MATERIALS AND METHODS
Ⅲ. RESULTS
Ⅳ. DISCUSSION
Ⅴ. CONCLUSION
Ⅵ. REFERENCES

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UCI(KEPA) : I410-ECN-0101-2016-515-002251291