Restorative Dentistry and Endodontics

  • 제36권5호
  • /
  • Pages.419-424
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  • 2011
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  • 2234-7658(pISSN)
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  • 2234-7666(eISSN)
대한치과보존학회 (The Korean Academy of Conservative Dentistry)
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임시 가봉재가 상아질과 레진 인레이의 미세인장 결합 강도에 미치는 영향

Microtensile bond strength of resin inlay bonded to dentin treated with various temporary filling materials

  • 김태우 (전남대학교 치의학전문대학원 보존학교실) ;
  • 이빈나 (전남대학교 치의학전문대학원 보존학교실) ;
  • 최영중 (전남대학교 치의학전문대학원 보존학교실) ;
  • 양소영 (전남대학교 치의학전문대학원 해부학교실) ;
  • 장훈상 (전남대학교 치의학전문대학원 보존학교실) ;
  • 황윤찬 (전남대학교 치의학전문대학원 보존학교실) ;
  • 황인남 (전남대학교 치의학전문대학원 보존학교실) ;
  • 오원만 (전남대학교 치의학전문대학원 보존학교실)
  • Kim, Tae-Woo (Department of Conservative Dentistry, Chonnam National University School of Dentistry) ;
  • Lee, Bin-Na (Department of Conservative Dentistry, Chonnam National University School of Dentistry) ;
  • Choi, Young-Jung (Department of Conservative Dentistry, Chonnam National University School of Dentistry) ;
  • Yang, So-Young (Department of Oral Anatomy, Chonnam National University School of Dentistry) ;
  • Chang, Hoon-Sang (Department of Conservative Dentistry, Chonnam National University School of Dentistry) ;
  • Hwang, Yun-Chan (Department of Conservative Dentistry, Chonnam National University School of Dentistry) ;
  • Hwang, In-Nam (Department of Conservative Dentistry, Chonnam National University School of Dentistry) ;
  • Oh, Won-Mann (Department of Conservative Dentistry, Chonnam National University School of Dentistry)
  • 투고 : 2011.07.14
  • 심사 : 2011.08.29
  • 발행 : 2011.09.30
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초록

연구목적: 임상에서 주로 사용되는 가봉재가 레진 코팅된 상아질과 레진 인레이간 결합력에 미치는 영향을 밝히고, 지연 상아질 봉쇄법과 즉시 상아질 봉쇄법의 접착에 대한 효과를 비교 평가하고자 본 연구를 시행하였다. 연구 재료 및 방법: ZOE로 임시 가봉한 후 상아질 접착제로 지연 상아질 봉쇄법을 이용한 군을 1군, 즉시 상아질 봉쇄법을 이용하고 ZOE로 가봉한 군을 2군, 즉시 상아질 봉쇄법을 이용하고 Dycal로 가봉한 군을 3군, 즉시 상아질 봉쇄법을 이용하고 레진계열의 임시 가봉재로 가봉한 군을 4군으로 분류하였다. 각 그룹에서 가봉재를 제거하고 미리 제작한 레진 인레이를 와동에 합착한 후 근원심으로 절단하여 미세인장 결합 강도를 측정하였다. 결과: 1군에서 가장 낮은 결합력, 4군에서 가장 큰 결합력 나타내었다(p < 0.01). ZOE로 임시 가봉을 한 경우 즉시 상아질 봉쇄법이 지연 상아질 봉쇄법에 비해 결합력이 컸다(p < 0.01). 결론: 레진 인레이의 상아질 접착시 지연 상아질 봉쇄법보다 즉시 상아질 봉쇄법이 권고되며, 레진 계열의 임시 가봉재가 가장 우수한 결과를 보였다.

Objectives: This study was aimed to determine the effects of temporary sealing materials on microtensile bond strength between resin-coated dentin and resin inlay and to compare the bonding effectiveness of delayed dentin sealing and that of immediate dentin sealing. Materials and Methods: The teeth were divided into 4 groups: group 1, specimens were prepared using delayed dentin sealing after temporary sealing with zinc oxide eugenol (ZOE); group 2, specimens were prepared using immediate dentin sealing and ZOE sealing; group 3, specimens were prepared using immediate dentin sealing and Dycal (Dentsply) sealing; group 4, specimens were prepared using immediately sealed, and then temporarily sealed with a resin-based temporary sealing material. After removing the temporary sealing material, we applied resin adhesive and light-cured. Then the resin inlays were applied and bonded to the cavity with a resin-based cement. The microtensile bond strength of the sectioned specimens were measured with a micro-tensile tester (Bisco Inc.). Significance between the specimen groups were tested by means of one-way ANOVA and multiple Duncan's test. Results: Group 1 showed the lowest bond strength, and group 4 showed the highest bond strength (p < 0.01). When temporary sealing was performed with ZOE, immediate dentin sealing showed a higher bonding strength than delayed dentin sealing (p < 0.01). Conclusions: Based on these results, immediate dentin sealing is more recommended than delayed dentin sealing in bonding a resin inlay to dentin. Also, resin-based temporary sealing materials have shown the best result.

키워드

참고문헌

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