Shi Ming Liu, Ya Ke Wang, Chen Min Yao, Jie Fei Shen, Wei Cai Liu, Li Na Niu, Chun Xu, Chu Fan Ma, Zhe Wu, Ke Zhao, Dan Dan Pei, Hong Bo Li, Ya Ming Chen, Yu Wei Wu, Jun Ling Wu, Xiao Dan Sun, Hai Lin Liu, Fei Lie Zhong, Zhuo Qun Yan, Hai Yan Wu, Mou Shan Liu, Hong Chang Lai, Jun Yu Shi, Zhong Hao Liu, Yi Man, Feng Liu, Cui Huang
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引用次数: 0
Abstract
This expert consensus addressed the use of digital full-contour high-translucent/ultra-translucent (HT/UT) zirconia restorations. HT/UT zirconia, stabilised with 4 mol% to 6 mol% yttria, balances flexural strength (550 to 1100 MPa) and enhanced translucency (45% to 55% light transmission) through a cubic-tetragonal microstructure while maintaining excellent biocompatibility and aging resistance. Clinical applications include single crowns, short-span bridges, veneers (0.3 to 1.0 mm) and implant-supported prostheses (screw-/cement-retained with specific thickness requirements). The digital workflow involves precise preparation, digital impressions, computer-aided design, milling, sintering and post-processing (surface polishing to Ra ≤ 0.25 μm). A lack of unified standards causes variable practices in the clinic. This consensus provides guidelines to standardise procedures, promoting predictable quality and long-term success of HT/UT zirconia restorations.
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