氧化锆全瓷冠光固化3D打印研究进展

摘要/Abstract

摘要： 由龋病、牙周炎等疾病导致的牙齿缺失在我国十分常见,临床上主要采用口腔修复进行治疗。氧化锆凭借优异的力学性能、良好的生物相容性和好的美学表现成为齿科修复领域的理想修复材料。传统的计算机辅助设计(CAD)/计算机辅助制造(CAM)减材制造虽然加工精度高,边缘适合性好,但是存在材料浪费、刀具磨损和咬合面窝沟处制作精度不足等缺点。增材制造(3D打印)作为快速成型技术的典型代表,满足构建精准、个性化和复杂结构全瓷冠的基本要求,有望成为全瓷冠制备的潜在候选技术。本文综述了近年来国内外各研究团队在氧化锆全瓷冠光固化3D打印及应用的进展,对陶瓷浆料组成、打印过程支撑结构设计、打印参数优化、后处理工艺路线以及打印后产品性能的评价进行综述与分析,并辅以大量实例进行说明;最后指出氧化锆全瓷冠光固化3D打印领域未来将面临的挑战,并给出一定指导意见。

关键词: 口腔修复, 全瓷冠, 氧化锆, 增材制造(3D打印), 光固化, 浆料, 力学性能

Abstract: Dental diseases such as dental caries and periodontitis often lead to tooth loss, which is common in China. Clinically, oral restoration is mainly used for treatment. Zirconia, with excellent mechanical properties, good biocompatibility and better aesthetic performance, has become an ideal restorative material in the field of dental restoration. Traditional computer aided design/computer aided manufacturing (CAD/CAM) subtractive manufacturing has the high processing accuracy and good marginal adaptation, but it has shortcomings such as material waste, tool wear and insufficient accuracy in the production of occlusal grooves. As a typical representative of rapid prototyping technology, additive manufacturing (3D printing) meets basic requirements for building precision, personalization and structural complexity all-ceramic crowns, and is expected to be a potential technology for the preparation of all-ceramic crowns. The progress of domestic and foreign research teams in the development and application of zirconia all-ceramic crowns using stereolithography 3D printing were reviewed. The ceramic slurry composition, design of printing process support structure, optimization of printing parameters, post treatment process route and evaluation of the performance of the printed products were reviewed and analyzed accompanying by a large number of examples for explanation. Finally, the challenges that will be faced in the future in the field of zirconia all-ceramic crowns via stereolithography 3D printing have been pointed out, and some suggestions have been provided.

Key words: oral restoration, all-ceramic crown, zirconia, additive manufacturing (3D printing), stereolithography, slurry, mechanical property

中图分类号:

TQ174

周远恒, 陈才俊, 葛军显, 王佳新, 魏瑞勇, 邢占文. 氧化锆全瓷冠光固化3D打印研究进展[J]. 硅酸盐通报, 2023, 42(6): 2150-2160.

ZHOU Yuanheng, CHEN Caijun, GE Junxian, WANG Jiaxin, WEI Ruiyong, XING Zhanwen. Research Progress of Zirconia All-Ceramic Crowns via Stereolithography 3D Printing[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2023, 42(6): 2150-2160.

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