酸性介质对高填充可流动树脂基复合材料表面特性的影响:体外研究。

IF 3.2 3区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE
Stefan Vulović, Markus B Blatz, Jovan Bukorović, Nikola Živković, Aleksandar Todorović, Aleksandar Vencl, Aleksandra Milić Lemić
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引用次数: 0

摘要

目的:分析和比较酸性介质对高填充可流动树脂基复合材料表面特性的影响:分析和比较酸性介质对高填充可流动树脂基复合材料表面特性的影响:将 256 个试样分为四组:GUF(G-aenial Universal Flo)、GUI(G-aenial Universal Injectable)、TEF(Tetric EvoFlow)和 FSF(Filtek Supreme Flowable Restorative)。在试样浸入胃液(GJ)、汽水(FD)、柠檬汁(CJ)或人工唾液(AS)等不同介质 9 小时(T1)和 18 小时(T2)之前(T0)和之后,对其表面特征进行了分析。分析包括表面粗糙度 (SR) 测量(获得平均粗糙度 (Ra))、扫描电子显微镜 (SEM) 分析和表面硬度 (SH) 评估(报告维氏硬度 (HV))。使用双向方差分析和 Tukey 后检验来评估同一阶段各组/亚组之间数值的差异,而使用重复测量方差分析和 Bonferroni 后检验来比较各阶段数值的变化。数据以均数±标准差(SD)表示:结果:在 T0 阶段,GUI 和 GUF 显示出较低的 Ra 值(p 结论:GUI 显示出较低的 SR 值和较高的 SH 值):与 GUF 和 FSF 相比,GUI 在暴露于酸性介质之前和之后都显示出较低的 SR 和较高的 SH。酸性介质(尤其是 GJ)的存在明显增加了受测材料的 SR 值,降低了 SH 值:临床意义:有关高填充树脂基复合材料在暴露于酸性介质后表面特性变化的信息,可能对使用这些材料制作的复合材料贴面等修复体的使用寿命至关重要。
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 acidic media on surface characteristics of highly filled flowable resin-based composites: An in vitro study.

Objective: To analyze and compare the impact of acidic media on the surface characteristics of highly filled flowable resin-based composites.

Materials and methods: Two hundred fifty-six specimens were divided into four groups: GUF (G-aenial Universal Flo), GUI (G-aenial Universal Injectable), TEF (Tetric EvoFlow), and FSF (Filtek Supreme Flowable Restorative). Surface characteristics were analyzed before (T0) and after specimens immersion in different media, such as gastric juice (GJ), fizzy drink (FD), citric juice (CJ), or artificial saliva (AS), for 9 h (T1) and 18 h (T2). The analyses included surface roughness (SR) measurements, where average roughness (Ra) was obtained, scanning electron microscopy (SEM) analysis, and surface hardness (SH) evaluation, with Vickers numbers (HV) reported. The differences in values among groups/subgroups within the same stage were assessed using two-way ANOVA and Tukey's post hoc test, whereas repeated measures ANOVA with Bonferroni post hoc test was performed to compare the changes in values through the stages. Data were presented as mean ± standard deviation (SD).

Results: At T0, GUI and GUF revealed lower Ra values (p < 0.05), more evenness in SEM micrographs, and higher HV values (p < 0.05) than FSF and TEF. At T1 and T2, specimens of all groups/subgroups demonstrated an increase in Ra and a decrease in HV compared with T0 (p < 0.05), as well as the changes in surface morphology on SEM micrographs. The lowest Ra and highest HV values were observed in GUI group, in contrast to FSF group, and in specimens immersed in GJ.

Conclusions: GUI revealed lower SR and higher SH compared to GUF and FSF both before and after exposure to acidic media. The presence of acidic media, especially GJ, significantly increases SR and decreases SH of tested materials.

Clinical significance: Information on the changes in the surface characteristics of highly filled resin-based composites after exposure to acidic media may be essential for the longevity of restorations like composite veneers fabricated from these materials.

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来源期刊
Journal of Esthetic and Restorative Dentistry
Journal of Esthetic and Restorative Dentistry 医学-牙科与口腔外科
CiteScore
6.30
自引率
6.20%
发文量
124
审稿时长
>12 weeks
期刊介绍: The Journal of Esthetic and Restorative Dentistry (JERD) is the longest standing peer-reviewed journal devoted solely to advancing the knowledge and practice of esthetic dentistry. Its goal is to provide the very latest evidence-based information in the realm of contemporary interdisciplinary esthetic dentistry through high quality clinical papers, sound research reports and educational features. The range of topics covered in the journal includes: - Interdisciplinary esthetic concepts - Implants - Conservative adhesive restorations - Tooth Whitening - Prosthodontic materials and techniques - Dental materials - Orthodontic, periodontal and endodontic esthetics - Esthetics related research - Innovations in esthetics
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