대한치과보철학회지 (The Journal of Korean Academy of Prosthodontics)

  • 제40권4호
  • /
  • Pages.344-351
  • /
  • 2002
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  • 0301-2875(pISSN)
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  • 2005-3789(eISSN)
대한치과보철학회 (The Korean Academy of Prosthodonitics)
권호 표지

표면 처리법에 따른 치과용 합금과 열중합형 레진 간의 결합 강도에 관한 연구

EFFECT OF SURFACE TREATMENTS ON THE BOND STRENGTH OF DENTURE BASE RESINS TO DENTAL ALLOY

  • 이주희 (가톨릭대학교 치과학교실 보철과) ;
  • 정은민 (가톨릭대학교 치과학교실 보철과) ;
  • 장복숙 (가톨릭대학교 치과학교실 보철과) ;
  • 정동준 (성균관대학교 고분자공학과) ;
  • 허성주 (서울대학교 치과대학 치과보철학교실) ;
  • 한동후 (연세대학교 치과대학 치과보철학교실) ;
  • 심준성 (연세대학교 치과대학 치과보철학교실)
  • Lee Joo-Hee (Division of Prosthodontics, Department of Dentistry, Catholic University) ;
  • Jung Eun-Min (Division of Prosthodontics, Department of Dentistry, Catholic University) ;
  • Jang Bok-Sook (Division of Prosthodontics, Department of Dentistry, Catholic University) ;
  • Chung Dong-June (Department of High Polymer Engineering, Seongkyunkwan University) ;
  • Heo Seong-Joo (Department of Prosthodontics, College of Dentistry, Seoul National University) ;
  • Han Dong-Hoo (Department of Prosthodontics, College of Dentistry, Yonsei University) ;
  • Shim June-Sung (Department of Prosthodontics, College of Dentistry, Yonsei University)
  • 발행 : 2002.08.01
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초록

The purpose of this study is to compare tensile bond strength between Cr-Co alloy and three denture base resins after surface treatment. Following the manufacturer's instructions, 180 bonded specimens were made from three denture base resins (Lucitone 199. Paladent 20. POSS resin) and three surface treatment methods (sandblasting. metal primer. silicoating) 20 samples were made in each group and a half was ther-mocycled 1000 times between $5^{\circ}C$ and $55^{\circ}C$. The tensile bond strength was measured using an Instron with 5mm/min crosshead speed. Data was analyzed with one-way ANOVA, T-test and Duncan test. The results were as follows : 1. Samples with metal primer coating had significantly high tensile bond strength than the other surface treated groups (p<.05). Significantly low tensile bond strength was shown in sand blasted groups (p<.05). 2. No significant difference was observed in metal primer coating groups before and after ther-mocycling (p>.05) 3. Tensile bond strength was decreased in silicoated samples after thermocycling (p<.05). 4. Of the surface treated groups with metal primer, Lucitone 199 had the greatest bond strength and POSS resin and Paladent 20 were followed (p<.05). 5. Of the surface treated groups with silicoating, POSS resin and Lucitone 199 had greater bond strength than Paladent 20 (p<.05).

키워드

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