Influence of CAD/CAM diamond bur wear on the accuracy and surface roughness of dental ceramic restorations: A systematic review

IF 3.3 2区医学 Q2 ENGINEERING, BIOMEDICAL

Journal of the Mechanical Behavior of Biomedical Materials Pub Date : 2024-11-12 DOI:10.1016/j.jmbbm.2024.106813

Xiaoyun Liu , Andrew B. Cameron , Ketil Hegerstrøm Haugli , Adriane Andersen Mougios , Nicholas C.K. Heng , Joanne Jung Eun Choi

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引用次数: 0

Abstract

Objectives

To systematically review the current literature investigating the computer-aided design/computer-aided manufacturing (CAD/CAM) diamond bur deterioration with repeated use and its effects on the accuracy, marginal and internal fit, and surface roughness of the dental ceramic restorations from the subtractive manufacturing technique.

Materials and methods

Three online databases, Ovid, Scopus, and Web of Science, were screened up to February 2024. In vitro studies investigating bur wear and its influences on subtractively-manufactured (SMed) ceramic restorations, except zirconia, were included. The selected articles were limited to English-language and peer-reviewed publications. Additionally, a manual search was conducted by screening the reference lists of included studies. The risk of bias of included articles was assessed following the modified Consolidated Standards of Reporting Trials (CONSORT) checklist.

Results

Twelve studies satisfied the inclusion criteria and were included. Only one study reported that the influence of bur deterioration on the trueness of SMed restorations depended on the crown areas, but the proximal contacts showed a significant reduction. Five studies assessed the effect on marginal and internal adaptation. To a certain extent, repeated use of the same diamond burs causes a progressive increase in the marginal gap and a slight decrease in the internal luting space. Half of the included studies assessed surface roughness. The influence of bur wear was mainly due to the bur-material combination.

Conclusions

During subtractive manufacturing, bur deterioration is a crucial factor influencing the quality of fabricated ceramic restorations. Diamond burs must be replaced regularly to avoid compromising the accuracy of subtractively manufactured restorations.

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CAD/CAM 金刚石毛刺磨损对牙科陶瓷修复体精度和表面粗糙度的影响：系统综述。

目的系统回顾目前研究计算机辅助设计/计算机辅助制造（CAD/CAM）金刚石毛刺反复使用后的劣化及其对减法制造技术牙科陶瓷修复体的精度、边缘和内部配合以及表面粗糙度的影响的文献：筛选了截至 2024 年 2 月的三个在线数据库：Ovid、Scopus 和 Web of Science。除氧化锆外，纳入了调查毛刺磨损及其对减法制造（SMed）陶瓷修复体影响的体外研究。所选文章仅限于同行评审的英文出版物。此外，还通过筛选纳入研究的参考文献目录进行了人工检索。按照修改后的试验报告标准（CONSORT）核对表对纳入文章的偏倚风险进行了评估：结果：12 项研究符合纳入标准并被纳入。只有一项研究报告了毛刺恶化对 SMed 修复体真实度的影响取决于牙冠区域，但近端接触点的毛刺恶化程度显著降低。五项研究评估了对边缘和内部适应性的影响。在一定程度上，重复使用相同的金刚石车针会导致边缘间隙逐渐增大，内部衬垫空间略有减少。一半的研究对表面粗糙度进行了评估。结论：结论：在减法加工过程中，车针磨损是影响陶瓷修复体质量的关键因素。必须定期更换金刚石车针，以避免影响减法制造修复体的精度。

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

Journal of the Mechanical Behavior of Biomedical Materials 工程技术-材料科学：生物材料

CiteScore

7.20

自引率

7.70%

发文量

505

审稿时长

46 days

期刊介绍： The Journal of the Mechanical Behavior of Biomedical Materials is concerned with the mechanical deformation, damage and failure under applied forces, of biological material (at the tissue, cellular and molecular levels) and of biomaterials, i.e. those materials which are designed to mimic or replace biological materials. The primary focus of the journal is the synthesis of materials science, biology, and medical and dental science. Reports of fundamental scientific investigations are welcome, as are articles concerned with the practical application of materials in medical devices. Both experimental and theoretical work is of interest; theoretical papers will normally include comparison of predictions with experimental data, though we recognize that this may not always be appropriate. The journal also publishes technical notes concerned with emerging experimental or theoretical techniques, letters to the editor and, by invitation, review articles and papers describing existing techniques for the benefit of an interdisciplinary readership.