Monolithic Zirconia: An Update to Current Knowledge. Optical Properties, Wear, and Clinical Performance

IF 0.5 Q4 DENTISTRY, ORAL SURGERY & MEDICINE Open Dentistry Journal Pub Date : 2019-09-01 DOI:10.3390/dj7030090
E. Kontonasaki, A. E. Rigos, Charithea Ilia, Thomas Istantsos
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引用次数: 85

Abstract

The purpose of this paper was to update the knowledge concerning the wear, translucency, as well as clinical performance of monolithic zirconia ceramics, aiming at highlighting their advantages and weaknesses through data presented in recent literature. New ultra-translucent and multicolor monolithic zirconia ceramics present considerably improved aesthetics and translucency, which, according to the literature reviewed, is similar to those of the more translucent lithium disilicate ceramics. A profound advantage is their high strength at thin geometries preserving their mechanical integrity. Based on the reviewed articles, monolithic zirconia ceramics cause minimal wear of antagonists, especially if appropriately polished, although no evidence still exists regarding the ultra-translucent compositions. Concerning the survival of monolithic zirconia restorations, the present review demonstrates the findings of the existing short-term studies, which reveal promising results after evaluating their performance for up to 5 or 7 years. Although a significant increase in translucency has been achieved, new translucent monolithic zirconia ceramics have to be further evaluated both in vitro and in vivo for their long-term potential to preserve their outstanding properties. Due to limited studies evaluating the wear properties of ultra-translucent material, no sound conclusions can be made, whereas well-designed clinical studies are urgently needed to enlighten issues of prognosis and long-term survival.
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单片氧化锆:当前知识的更新。光学特性、磨损和临床表现
本文的目的是更新关于单片氧化锆陶瓷的磨损,半透明和临床性能的知识,旨在通过最近文献中的数据来突出其优点和缺点。新型超半透明和多色单片氧化锆陶瓷具有显著改善的美学和半透明性,根据文献综述,其与更半透明的二硅酸锂陶瓷相似。一个深刻的优势是它们在薄几何形状下的高强度,保持了它们的机械完整性。根据所回顾的文章,单片氧化锆陶瓷对拮抗剂的磨损最小,特别是在适当抛光的情况下,尽管目前还没有关于超半透明成分的证据。关于整体氧化锆修复体的存活,本文综述了现有的短期研究结果,这些研究结果在对其性能进行长达5年或7年的评估后显示出有希望的结果。尽管已经实现了半透明性的显著提高,但新的半透明单片氧化锆陶瓷必须在体外和体内进一步评估其长期潜力,以保持其卓越的性能。由于对超透明材料磨损性能的评价研究有限,目前还无法得出可靠的结论,迫切需要精心设计的临床研究来启发预后和长期生存问题。
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来源期刊
Open Dentistry Journal
Open Dentistry Journal DENTISTRY, ORAL SURGERY & MEDICINE-
CiteScore
2.00
自引率
0.00%
发文量
86
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