用于计算机辅助设计与制造（CAD-CAM）单单位修复的全烧结（Y，Nb）-四方相氧化锆多晶体的临床可行性：一项初步研究。
Clinical Feasibility of Fully Sintered (Y, Nb)-TZP for CAD-CAM Single-Unit Restoration: A Pilot Study.
作者信息
Jeong Ki-Won, Yoon Hyung-In, Lee Jae-Hyun, Yeo In-Sung Luke, Kim Dae-Joon, Han Jung-Suk
机构信息
Department of Prosthodontics, School of Dentistry and Dental Research Institute, Seoul National University, Seoul 03080, Korea.
Department of Dentistry, VASIC Research Center, School of Dentistry and Dental Research Institute, Seoul National University, Seoul 03080, Korea.
出版信息
Materials (Basel). 2021 May 23;14(11):2762. doi: 10.3390/ma14112762.
Fifteen participants (9 male, 6 female) received a total of 15 monolithic single restorations made from fully sintered (Y, Nb)-TZP (tetragonal zirconia polycrystal) block. The restorations were clinically evaluated for survival, success rate, and periodontal probing depths 6 months after the insertion of the restorations. Esthetic, functional, and biological evaluations were also performed over a 6-month follow-up period. The survival and success rates of the single-unit restorations were 100%. The periodontal probing depth values ranged from 1 to 3 mm. No complications with regard to functional and biological properties were observed after 6 months. The postoperative sensitivity was only a transient phenomenon. The fully sintered (Y, Nb)-TZP single-unit restoration showed highly acceptable quality with successful clinical performance over 6 months.
15名参与者（9名男性，6名女性）共接受了15个由完全烧结的（钇、铌）-四方相氧化锆多晶体（TZP）块体制成的整体单冠修复体。在修复体植入6个月后，对其进行临床评估，包括生存率、成功率和牙周探诊深度。在6个月的随访期内还进行了美学、功能和生物学评估。单单位修复体的生存率和成功率均为100%。牙周探诊深度值在1至3毫米之间。6个月后未观察到功能和生物学特性方面的并发症。术后敏感性只是一种短暂现象。完全烧结的（钇、铌）-TZP单单位修复体显示出高度可接受的质量，在6个月内临床性能良好。
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