硅酸锂基玻璃陶瓷在牙科中的应用:叙述性综述

H. Al-Johani, J. Haider, Julian Satterthwaite, N. Silikas
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引用次数: 0

摘要

考虑到硅酸锂基玻璃陶瓷(LSCs)在牙科领域的快速发展,本综述旨在对最近推出的新型 LSCs 商业化产品进行最新概述。通过电子检索获得了与 LSC 材料的微观结构、制造、强化、性能、表面处理和临床表现有关的临床和体外英文文献。本手稿摘录并总结了相关文章的研究结果。有大量证据支持锂硅酸盐变体(即氧化锆增强硅酸锂和二硅酸锂铝)的机械和美学性能。然而,对新型锂基底细胞的生物相容性和细胞毒性进行评估的文献却很少。对化学、机械和化学机械凹版表面处理(氢氟酸蚀刻的替代方法)的研究表明,酸中和和等离子处理的粘附性能很好。研究还探讨了部分结晶和完全结晶 LSC 块的减法制造方法,以及与 LSC 牙科修复体制造有关的增材制造模式,其中强调了在使用 LSC 打印材料实施新型增材制造方法时可能遇到的挑战。此外,还证明了氧化锆增强硅酸锂和二硅酸锂铝的短期临床表现与二硅酸锂陶瓷相当,并揭示了其长期临床表现的巨大潜力。
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Lithium Silicate-Based Glass Ceramics in Dentistry: A Narrative Review
Considering the rapid evolution of lithium silicate-based glass ceramics (LSCs) in dentistry, this review paper aims to present an updated overview of the recently introduced commercial novel LSCs. The clinical and in vitro English-language literature relating to the microstructure, manufacturing, strengthening, properties, surface treatments and clinical performance of LSC materials was obtained through an electronic search. Findings from relevant articles were extracted and summarised for this manuscript. There is considerable evidence supporting the mechanical and aesthetic competency of LSC variants, namely zirconia-reinforced lithium silicates and lithium–aluminium disilicates. Nonetheless, the literature assessing the biocompatibility and cytotoxicity of novel LSCs is scarce. An exploration of the chemical, mechanical and chemo-mechanical intaglio surface treatments—alternative to hydrofluoric acid etching—revealed promising adhesion performance for acid neutralisation and plasma treatment. The subtractive manufacturing methods of partially crystallised and fully crystallised LSC blocks and the additive manufacturing modalities pertaining to the fabrication of LSC dental restorations are addressed, wherein that challenges that could be encountered upon implementing novel additive manufacturing approaches using LSC print materials are highlighted. Furthermore, the short-term clinical performance of zirconia-reinforced lithium silicates and lithium–aluminium disilicates is demonstrated to be comparable to that of lithium disilicate ceramics and reveals promising potential for their long-term clinical performance.
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