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Shear bond strength analysis of PFM metal and zirconia with different surface condition

PFM metal과 zirconia의 표면상태에 따른 전단결합강도 분석

  • Jung, Jae-Kwan (Dept. of Dental Laboratory Technology, Daejeon Health Sciences College) ;
  • Kim, Kyung-Ah (Dept. of Biomedical Engineering, College of Medicine, Chungbuk National University) ;
  • Lee, Su-Ok (Dept. of Dental Hygiene, Chungbuk Health Sciences University) ;
  • Kim, Ki-Baek (Dept. of Dental Laboratory Technology, Korea University) ;
  • Kim, Jae-Hong (Dept. of Dental Laboratory Technology, Korea University) ;
  • Kim, Il-Young (Dept. of Dental Laboratory Technology, Chungbuk Health Sciences University)
  • 정재관 (대전보건대학교 치기공과) ;
  • 김경아 (충북대학교 의과대학 의공학교실) ;
  • 이수옥 (충북보건과학대학교 치위생과) ;
  • 김기백 (고려대학교 치기공학과) ;
  • 김재홍 (고려대학교 치기공학과) ;
  • 김영일 (충북보건과학대학교 치기공(학)과)
  • Received : 2014.03.06
  • Accepted : 2014.07.10
  • Published : 2014.07.31

Abstract

This study examined the effects of the shear bond strength when the surface condition of the metal and zirconia, each being the lower structures, was different when determining the bond strength (metal group) of the metal lower structure with upper ceramics, and the shear bond strength (zirconia group) of zirconia lower structure with the upper ceramics in prosthetic appliances of metal-ceramic crown and zirconia-ceramic crowns. The metal groups were divided into a total of four groups: the group with no condition on the metal surface(NM), the group with sand-blasting(SM), the group with applied opaque ceramics(OM), and the group with applied opaque ceramics and sand-blasting(SOM). The zirconia groups were also separated into four groups: the group with no condition(NZ), the group with sand-blasting(SZ), the group treated with ZirLiner on the zirconia surface(LZ), and the group applied with ZirLiner along and sand-blasting(SLZ). To examine the effects on the shear bond strength according to the surface condition of each of the four metal and zirconia groups, SPSS was used to conduct one-way ANOVA. For metal-ceramic crowns, it would be best to apply opaque ceramics after sand-blasting on the surface of the metal, the lower structure. For zirconia-ceramic crowns, it is recommended to apply the ZirLiner after sand-blasting on the surface of zirconia, the lower structure.

본 연구의 목적은 금속 도재관과 지르코니아 도재관 보철물의 하부 구조물인 금속과 상부 도재의 결합강도 (금속군), 하부 구조물인 지르코니아와 상부 도재의 전단결합강도 (지르코니아군)를 결정함에 있어서 각각 하부 구조물인 금속과 지르코니아의 표면 처리를 다르게 하였을 때, 전단결합강도에 미치는 영향을 평가하고자 한다. 금속군에서는 금속 표면에 각각 아무 처리를 하지 않은 집단(NM), 모래분사를 실시한 집단(SM), 불투명 도재를 도포한 집단(OM), 모래분사와 함께 불투명 도재를 도포한 집단(SOM) 총 4집단으로 나누어 실시하였고, 지르코니아군에서는 아무 처리를 하지 않은 집단(NZ), 표면에 모래 분사를 실시한 집단(SZ), 지르코니아 표면에 이장재(지르라이너)를 처리한 집단(LZ), 모래분사와 이장재 처리를 함께한 집단(SLZ) 총 4집단으로 시편을 제작하였다. 금속군과 지르코니아군 각각의 4집단의 표면 처리에 따른 전단결합강도에 영향이 있는지 알아보기 위하여 SPSS를 사용하여 일원배치 분산분석을 시행하였다. 금속 도재관의 경우 하부 구조물인 금속 표면에 모래분사를 한 후 불투명 도재를 도포하는 것이 가장 권장되며, 지르코니아 도재관의 경우 하부 구조물인 지르코니아 표면에 모래분사를 한 후 지르라이너를 도포하는 것이 권장된다.

Keywords

References

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  1. Shear bond strength analysis of non beryllium PFM metal with degassing and opaque firing techniques vol.16, pp.7, 2015, https://doi.org/10.5762/KAIS.2015.16.7.4357