Effect of rosmarinic acid on microtensile bond strength of 1-step self-etch adhesive on artificial caries-affected dentine with or without NaOCl treatment: An in-vitro study.

IF 1.9 4区 医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE Dental materials journal Pub Date : 2024-10-26 DOI:10.4012/dmj.2024-024
Shatha Issa, Natalia Karpukhina, Ahmed Sleibi
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Abstract

This study investigated the effect of rosmarinic acid (RA) on the immediate microtensile bond strength (µTBS) of 1-step self-etch adhesive to artificial caries-affected dentine (CAD), with or without NaOCl treatment. Dentine surfaces of 60 premolars were subjected to pH-cycling for artificial caries induction. Samples were randomly categorized into: NaOClRA group treated with 6% NaOCl and RA, RA group treated with RA solution, NaOCl group treated with 6% NaOCl, and untreated control group. Surface morphology was evaluated using SEM. Following bonding and composite placement, the specimens were sectioned into 1 mm2 beams after 24 h of water storage, then µTBS test was done. Failure modes were assessed under stereomicroscope. There was significant increase in the µTBS of NaOClRA compared to NaOCl group (p=0.001). RA group showed significant increase in µTBS compared to NaOCl and control groups, (p<0.001, p=0.009 respectively). In conclusion, RA improved the µTBS to CAD with or without NaOCl treatment.

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迷迭香酸对经过或未经过 NaOCl 处理的人工龋齿牙本质上一步法自酸蚀粘合剂微拉伸粘接强度的影响:体外研究
本研究探讨了迷迭香酸(RA)对经过或未经 NaOCl 处理的人工龋坏牙本质(CAD)的一步法自酸蚀粘接剂即时微拉伸粘接强度(µTBS)的影响。对 60 颗前臼齿的牙本质表面进行 pH 循环人工诱导龋。样本被随机分为用 6% NaOCl 和 RA 处理的 NaOClRA 组、用 RA 溶液处理的 RA 组、用 6% NaOCl 处理的 NaOCl 组和未处理的对照组。使用 SEM 对表面形态进行评估。粘接和放置复合材料后,试样在水中贮存 24 小时后被切成 1 平方毫米的横梁,然后进行 µTBS 测试。在体视显微镜下对失效模式进行评估。与 NaOCl 组相比,NaOClRA 组的 µTBS 明显增加(p=0.001)。与 NaOCl 组和对照组相比,RA 组的 µTBS 明显增加(p=0.001)。
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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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