치과심미수복용 세라믹의 최신 특성평가
Recent characteristics of dental esthetic restorative ceramics
오승한,
소속 상세정보
오승한 ( Oh Seung-Han ) - 원광대학교 치과대학 치과생체재료학교실 및 생체재료 매식연구소
KMID : 0362720130510010006
Abstract
Dental ceramics is well known to have excellent esthetics, biocompatibility as well as high compressive strength. However, the fragility of ceramics against tensile and shear loads leading to the delayed fracture of micro crack on ceramic surface and the backwardness of ceramic fabrication technique limit the usage of ceramic materials in dentistry. Among all ceramic materials, zirconia has been introduced to overcome the drawback of conventional dental ceramics in the field of dentistry due to the nature of zirconia featuring proper opalescence and high fracture toughness. Also, novel manufacturing techniques enable ceramic materials to prepare high esthetic anterior and posterior all ceramic system. In this paper, it is introduced and discussed that novel techniques characterizing the bond strength between zirconia core and veneering ceramics and analyzing the fluorescence of dental ceramics in order to overcome the gap between the results of basic research and the feasibility of the results in the field of dental clinics.
키워드
Dental ceramic; esthetic; zirconia; bond strength; all ceramic system; fluorescence
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