EFFECTS OF THREE-DIMENSIONAL-PRINTED ZIRCONIA ALL-CERAMIC CROWNS ON PERIODONTAL HEALTH AND AESTHETICS OF PATIENTS RECEIVING ANTERIOR TOOTH AESTHETIC RESTORATION

IF 0.6 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materiali in tehnologije Pub Date : 2023-03-30 DOI:10.17222/mit.2023.738

Fengxian Li, Wei Li

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Abstract

The aim of this study was to evaluate the effects of three-dimensional (3D)-printed zirconia all-ceramic crowns on the periodontal tissues and aesthetics of patients receiving anterior tooth aesthetic restoration. A total of 85 patients with anterior tooth defects treated from January 2018 to October 2019 were selected. We studied zirconia all-ceramic crowns made by computer-aided design and computer-aided manufacturing (CAD/CAM) (control group) and 3D printing (observation group). The short-term restoration effects, periodontal health indices, functional recovery, long-term clinical efficacy and aesthetic effects were compared. The gingival marginal fitness of the observation group was better than that of the control group, but the control group had better tooth color matching (P < 0.05). One year after the restoration, the bleeding index, probing depth, attachment loss, gingival index and plaque index all declined in the two groups, particularly in the observation group. Both the masticatory and language functions were improved in the two groups, especially in the observation group (P < 0.05). Both 3D-printed and CAD/CAM zirconia all-ceramic crowns have better cosmetic restoration effects on the anterior teeth. However, 3D-printed zirconia all-ceramic crowns have better gingival marginal fitness, which can benefit the periodontal tissue recovery, relieve gingival inflammation, and improve masticatory and language functions.

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三维打印氧化锆全瓷冠对前牙美观修复患者牙周健康及美观的影响

本研究旨在探讨三维打印氧化锆全瓷冠对前牙美观修复患者牙周组织及美观的影响。选择2018年1月至2019年10月治疗的前牙缺损患者85例。采用计算机辅助设计和计算机辅助制造(CAD/CAM)技术(对照组)和3D打印技术(观察组)制作氧化锆全瓷冠。比较近期修复效果、牙周健康指标、功能恢复情况、远期临床疗效及美观效果。观察组牙龈边缘适合度优于对照组，但对照组牙色匹配度优于对照组(P < 0.05)。修复1年后，两组出血指数、探诊深度、附着丧失、牙龈指数、菌斑指数均下降，其中观察组下降最为明显。两组患者的咀嚼功能和语言功能均有明显改善，其中观察组疗效显著(P < 0.05)。3d打印和CAD/CAM氧化锆全陶瓷冠对前牙的美容修复效果都较好。而3d打印的氧化锆全瓷冠具有更好的牙龈边缘适合度，有利于牙周组织的恢复，缓解牙龈炎症，改善咀嚼和语言功能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Materiali in tehnologije 工程技术-材料科学：综合

CiteScore

1.30

自引率

0.00%

发文量

审稿时长

4-8 weeks

期刊介绍： The journal MATERIALI IN TEHNOLOGIJE/MATERIALS AND TECHNOLOGY is a scientific journal, devoted to original papers and review scientific papers concerned with the areas of fundamental and applied science and technology. Topics of particular interest include metallic materials, inorganic materials, polymers, vacuum technique and lately nanomaterials.