Han Zhu, Jimin Jiang, Yujie Wang, Sijie Wang, Yong He, Fuming He
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引用次数: 0
Abstract
Purpose: This review aims to summarize the available technologies, material categories, and prosthodontic applications of additive manufacturing (AM) dental ceramics, evaluate the achievable accuracy and mechanical properties in comparison with current mainstream computer-aided design/computer-aided manufacturing (CAD/CAM) subtractive manufacturing (SM) methods, and discuss future prospects and directions.
Study selection: This paper is based on the latest reviews, state-of-the-art research, and existing ISO standards on AM technologies and prosthodontic applications of dental ceramics. PubMed, Web of Science, and ScienceDirect were amongst the sources searched for narrative reviews.
Results: Relatively few AM technologies are available and their applications are limited to crowns and fixed partial dentures. Although the accuracy and strength of AM dental ceramics are comparable to those of SM, they have the limitations of relatively inferior curved surface accuracy and low strength reliability. Furthermore, functionally graded additive manufacturing (FGAM), a potential direction for AM, enables the realization of biomimetic structures, such as natural teeth; however, specific studies are currently lacking.
Conclusions: AM dental ceramics are not sufficiently developed for large-scale clinical applications. However, with additional research, it may be possible for AM to replace SM as the mainstream manufacturing technology for ceramic restorations.
目的:本综述旨在总结增材制造(AM)牙科陶瓷的现有技术、材料类别和修复应用,评估与当前主流计算机辅助设计/计算机辅助制造(CAD/CAM)减材制造(SM)方法相比可达到的精度和机械性能,并讨论未来的前景和方向:本文基于有关牙科陶瓷的 AM 技术和修复应用的最新综述、最新研究成果和现有 ISO 标准。在PubMed、Web of Science和ScienceDirect上搜索了相关综述:结果:现有的 AM 技术相对较少,其应用也仅限于牙冠和固定局部义齿。虽然 AM 牙科陶瓷的精度和强度与 SM 牙科陶瓷相当,但它们存在曲面精度相对较差和强度可靠性较低的局限性。此外,功能分级增材制造(FGAM)是 AM 的一个潜在发展方向,可实现仿生物结构,如天然牙齿;但目前还缺乏具体的研究:AM牙科陶瓷在大规模临床应用方面还不够成熟。然而,随着研究的深入,AM 有可能取代 SM 成为陶瓷修复的主流制造技术。