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치과용 지르코니아로 제작된 심미보철물의 임상적 예후에 관한문헌고찰

Review of clinical studies applying yttrium tetragonal zirconia polycrystal-based esthetic dental restoration

대한치과기공학회지 2020년 42권 4호 p.307 ~ 312
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Abstract


Application of ceramic materials for fabrication of dental restoration materials has beena focus of interest in the field of esthetic dentistry. The ceramic materials of choice areglass ceramics, spinel, alumina, and zirconia. The development of yttrium tetragonal zirconiapolycrystal (YTZP)-based systems is a recent addition to all-ceramic systems that havehigh strength and are used for crowns and fixed partial dentures. Computer-aided design/computer-aided manufacturing (CAD/CAM)-produced, YTZP-based systems are popular withrespect to their esthetic appeal for use in stress-bearing regions. The highly esthetic natureof zirconia and its superior physical properties and biocompatibility have enabled the developmentof restorative systems that meet the demands of today’s patients. Many in vitrotrials have been performed on the use of zirconia; however, relatively fewer long-term clinicalstudies have been published on this subject. The use of zirconia frameworks for long-spanfixed partial dentures is currently being evaluated; in the future, more in vivo research andlong-term clinical studies are required to provide scientific evidence for drawing solid guidelines. Further clinical and in vitro studies are required to obtain data regarding the long-termclinical use of zirconia-based restorations.

키워드

All-ceramic crown; Clinical study; Esthetic restoration; Fixed partial denture; Zirconia

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