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KMID : 0362720130510010006
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Journal of the Korean Dental Association
2013 Volume.51 No. 1 p.6 ~ p.11
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Recent characteristics of dental esthetic restorative ceramics
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Oh Seung-Han
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Abstract
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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.
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KEYWORD
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Dental ceramic, esthetic, zirconia, bond strength, all ceramic system, fluorescence
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