Treatment of saliva contamination of resin core foundation before adhesive luting.

IF 1.9 4区 医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE Dental materials journal Pub Date : 2024-01-30 Epub Date: 2023-11-23 DOI:10.4012/dmj.2023-073
Koji Hayashi, Ryo Ishii, Toshiki Takamizawa, Shunichi Suda, Ryota Aoki, Kana Hayashi, Atsushi Kamimoto, Masashi Miyazaki
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Abstract

This study aimed to evaluate the influence of surface pretreatment on the shear bond strength of resin luting cement to saliva-contaminated resin core foundation. The surface free energy (γS) of the adherent surfaces was examined. The two-way analysis of variance revealed that the surface pretreatment and storage conditions had a significant effect on the strength of the bond to resin core foundation. The γS values of the saliva-contaminated group were significantly lower than those of the other groups, and they tended to improve after surface pretreatment. The tendency of improvement in γS values differed depending on the type of pretreatment agents. Surface treatment with solutions containing functional monomers is effective in removing saliva contaminants from the resin core foundation surfaces and in creating an effective bonding surface for the resin luting cement.

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粘接前树脂芯基的唾液污染处理。
本研究旨在评价表面预处理对树脂胶凝水泥与唾液污染树脂芯基础剪切粘结强度的影响。测定了粘附表面的表面自由能(γS)。双向方差分析表明,表面预处理和储存条件对树脂芯基础的粘结强度有显著影响。唾液污染组的γS值显著低于其他各组,表面预处理后有改善的趋势。γ - s值的改善趋势随预处理剂种类的不同而不同。用含有功能单体的溶液进行表面处理,可以有效地去除树脂芯基础表面的唾液污染物,并为树脂芯水泥创建有效的粘合表面。
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来源期刊
Dental materials journal
Dental materials journal 医学-材料科学:生物材料
CiteScore
4.60
自引率
4.00%
发文量
102
审稿时长
3 months
期刊介绍: Dental Materials Journal is a peer review journal published by the Japanese Society for Dental Materials and Devises aiming to introduce the progress of the basic and applied sciences in dental materials and biomaterials. The dental materials-related clinical science and instrumental technologies are also within the scope of this journal. The materials dealt include synthetic polymers, ceramics, metals and tissue-derived biomaterials. Forefront dental materials and biomaterials used in developing filed, such as tissue engineering, bioengineering and artificial intelligence, are positively considered for the review as well. Recent acceptance rate of the submitted manuscript in the journal is around 30%.
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