不同种植基台材料对半透明整体氧化锆冠光学性能的影响。

IF 3.4 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE
Nisha Patel, Geoffrey A Thompson, Carl Drago, Mohamed Elshewy, David Berzins, Hongseok An
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引用次数: 0

摘要

目的:在种植牙科中使用半透明整体氧化锆冠引起了对基台颜色影响美观结果的关注。虽然文献记载了传统陶瓷的桥台效应,但现代单片氧化锆的数据有限。本研究的目的是评估基台材料和氧化锆品牌对半透明整体氧化锆冠最终颜色的影响。材料与方法:80个整体氧化锆冠(四个品牌;在A2阴影下制作,并粘合在五种基台上:钛(Ti),金色调Ti,粉红色调Ti,氧化锆和天然牙本质阴影对照。用不透明的试入膏将冠放置在基牙上,用分光光度计测量颜色。∆E00值采用双因素方差分析和Tukey事后检验进行计算和分析(α = 0.05)。结果:基牙材料和氧化锆品牌对半透明单片氧化锆冠的∆E00值均有显著影响(p)。结论:基牙材料和氧化锆品牌对半透明单片氧化锆冠的颜色效果影响较大。氧化锆基牙有助于减少颜色偏差,而金属基牙——尤其是粉红色的钛——可能会产生临床可察觉的色度变化。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of different implant abutment materials on optical properties of translucent monolithic zirconia crowns.

Purpose: The use of translucent monolithic zirconia crowns in implant dentistry raises concerns about the underlying abutment color affecting esthetic outcomes. While abutment effects are documented for traditional ceramics, data are limited for modern monolithic zirconia. The purpose of this investigation is to evaluate how abutment material and zirconia brand influence the final color of translucent monolithic zirconia crowns.

Materials and methods: Eighty monolithic zirconia crowns (four brands; n = 20 each) were fabricated in shade A2 and cemented onto five abutment types: titanium (Ti), gold-hued Ti, pink-hued Ti, zirconia, and a natural dentin-shaded control. Crowns were placed on abutments using opaque try-in paste, and color was measured using a spectrophotometer. ∆E00 values were calculated and analyzed using two-way ANOVA and Tukey post hoc testing (α = 0.05).

Results: Both abutment material and zirconia brand significantly influenced ∆E00 values (p < 0.001), with a significant interaction effect between the two variables. Zirconia abutments yielded the lowest color difference (∆E00 = 0.77), below the perceptibility threshold. Katana Zirconia HT exhibited the least color change across abutments. All metallic abutments produced ∆E00 values categorized as moderately unacceptable, with the highest values observed for pink-hued titanium.

Conclusions: Color outcomes of translucent monolithic zirconia crowns are strongly influenced by the abutment material and zirconia brand. Zirconia abutments help minimize color deviation, while metallic abutments-especially pink Ti-may produce clinically perceptible shade changes.

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来源期刊
CiteScore
7.90
自引率
15.00%
发文量
171
审稿时长
6-12 weeks
期刊介绍: The Journal of Prosthodontics promotes the advanced study and practice of prosthodontics, implant, esthetic, and reconstructive dentistry. It is the official journal of the American College of Prosthodontists, the American Dental Association-recognized voice of the Specialty of Prosthodontics. The journal publishes evidence-based original scientific articles presenting information that is relevant and useful to prosthodontists. Additionally, it publishes reports of innovative techniques, new instructional methodologies, and instructive clinical reports with an interdisciplinary flair. The journal is particularly focused on promoting the study and use of cutting-edge technology and positioning prosthodontists as the early-adopters of new technology in the dental community.
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