Chemical etching of CAD-CAM glass-ceramic-based materials using fluoride solutions for bonding pretreatment.

IF 1.9 4区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE Dental materials journal Pub Date : 2024-07-31 Epub Date: 2024-06-01 DOI:10.4012/dmj.2023-333

Yusaku Nishizawa, Yuya Komagata, Yuki Nagamatsu, Tatsuo Kawamoto, Hiroshi Ikeda

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Abstract

The surface treatment of glass-ceramic-based materials, namely, lithium disilicate glass (IPS e.max CAD), feldspar porcelain (VITABLOCS Mark II), and a polymer-infiltrated ceramic network (VITA ENAMIC), using aqueous fluoride solutions and their influence on luting agent bonding were investigated. Six experimental aqueous fluoride solutions were applied to these materials, and their effects were assessed by surface topological analysis. The obtained results were compared using non-parametric statistical analyses. Ammonium hydrogen fluoride (AHF) etchant demonstrated the greatest etching effect. Subsequent experiments focused on evaluating different concentrations of the AHF etchant for the bonding pretreatment of glass-ceramic-based materials with a luting agent (PANAVIA V5). AHF, particularly at concentrations above 5 wt%, effectively roughened the surfaces of the materials and improved the bonding performance. Notably, AHF at a concentration of 30 wt% exhibited a more pronounced effect on both etching and bonding capabilities compared to hydrofluoric acid.

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使用氟化物溶液对 CAD-CAM 玻璃陶瓷基材料进行化学蚀刻，以进行粘接预处理。

研究了使用氟化物水溶液对二硅酸锂玻璃（IPS e.max CAD）、长石瓷（VITABLOCS Mark II）和聚合物浸润陶瓷网络（VITA ENAMIC）等玻璃陶瓷基底材料进行表面处理的情况及其对粘结剂粘结的影响。对这些材料使用了六种实验性氟化物水溶液，并通过表面拓扑分析评估了它们的影响。使用非参数统计分析对所得结果进行了比较。氟化氢铵（AHF）蚀刻剂的蚀刻效果最好。随后的实验重点评估了不同浓度的 AHF 蚀刻剂对玻璃陶瓷基材料与粘接剂（PANAVIA V5）的粘接预处理效果。AHF，尤其是浓度超过 5 wt% 时，能有效地使材料表面粗糙化，提高粘接性能。值得注意的是，与氢氟酸相比，浓度为 30 wt% 的 AHF 对蚀刻和粘接能力的影响更为明显。

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来源期刊

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%.