Effects of C-Factor on Bond Strength of Universal Adhesives to Floor and Wall Dentin in Class-I Composite Restorations.

IF 0.6 1区艺术学 0 MUSIC

ETHNOMUSICOLOGY Pub Date : 2022-03-01 DOI:10.3290/j.jad.b2701599

Nafiseh Fazelian, Shahin Kasraei, Zahra Khamverdi

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引用次数: 0

Abstract

Purpose: To evaluate the effects of C-factor on the bond strength of universal adhesives to floor and wall dentin in class-I composite restorations using a bulk-fill composite.

Materials and methods: 108 non-carious humans third molars were randomly divided into four groups as follows: flat wall, flat floor, cavity wall, and cavity floor (n = 36). Then, each group was subdivided into three subgroups according to the type of adhesive used: Single Bond Universal, G-premio Bond (both universal adhesives), or Adper Single Bond 2 (an etch-and-rinse adhesive). After the bonding procedure, X-tra fill resin composite was applied in bulk to build up the flat surfaces or fill the cavities.Then the teeth were sectioned into 1-mm2 sticks and microtensile bond strength (µTBS) was measured using a universal testing machine. µTBS (MPa) was analyzed by one-way, two-way, and three-way ANOVA using SPSS Version 23 (a = 0.05).

Results: Interactions between adhesives and bonding surfaces, as well as C-factor and bonding surfaces showed statistically significant differences, but the interaction between the C-factor and type of adhesive was not statistically significant. The comparison of bonded surfaces including the flat wall and the flat floor in Adper Single Bond 2 was statistically significant (p < 0.05), except for the cavity wall and cavity floor.

Conclusion: Regardless of the type of adhesives, the C-factor reduced the µTBS of the composite resin to dentin. Adper Single Bond 2 mediated higher µTBS than did the universal adhesives G-premio Bond and Single Bond Universal.

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C 因子对 I 类复合树脂修复体中通用粘合剂与底层和壁层牙本质粘接强度的影响

材料和方法：将 108 颗无龋人类第三磨牙随机分为以下四组：平壁组、平底组、洞壁组和洞底组（n = 36）。然后，根据所用粘合剂的类型，每组又分为三个亚组：Single Bond Universal、G-premio Bond（均为通用型粘合剂）或 Adper Single Bond 2（蚀刻-冲洗型粘合剂）。粘接程序完成后，大量涂抹 X-tra fill 树脂复合材料，以形成平整的表面或填充龋洞。然后将牙齿切成 1 平方毫米的小块，使用万能试验机测量微拉伸粘接强度（µTBS）。使用 SPSS Version 23（a = 0.05）对µTBS（兆帕）进行单因素、双因素和三因素方差分析：粘合剂与粘合表面之间的交互作用以及 C 因子与粘合表面之间的交互作用在统计学上有显著差异，但 C 因子与粘合剂类型之间的交互作用在统计学上无显著差异。除空腔墙和空腔地板外，Adper Single Bond 2 中包括平面墙和平面地板在内的粘合表面的比较具有统计学意义（p < 0.05）：结论：无论使用哪种粘合剂，C因子都会降低复合树脂与牙本质的µTBS。与通用粘合剂 G-premio Bond 和 Single Bond Universal 相比，Adper Single Bond 2 的 µTBS 更高。

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

ETHNOMUSICOLOGY MUSIC-

CiteScore

1.30

自引率

14.30%

发文量

期刊介绍： As the official journal of the Society for Ethnomusicology, Ethnomusicology is the premier publication in the field. Its scholarly articles represent current theoretical perspectives and research in ethnomusicology and related fields, while playing a central role in expanding the discipline in the United States and abroad. Aimed at a diverse audience of musicologists, anthropologists, folklorists, cultural studies scholars, musicians, and others, this inclusive journal also features book, recording, film, video, and multimedia reviews. Peer-reviewed by the Society’s international membership, Ethnomusicology has been published three times a year since the 1950s.