Evaluation of mechanical properties and ion-releasing of 3D printing resins containing S-PRG filler: A preliminary study.

IF 1.9 4区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE Dental materials journal Pub Date : 2025-01-31 Epub Date: 2024-12-03 DOI:10.4012/dmj.2024-195

Yukiko Tsuji, Noriko Hiraishi, Masaomi Ikeda, Motohiro Uo, Yumi Tsuchida, Kei Ushijima, Toru Nikaido, Yasushi Shimada

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Abstract

This study aimed to evaluate ionic release, flexural strength and water absorption of UDMA resins containing 0-30 wt% surface pre-reacted glass-ionomer (S-PRG) filler fabricated by a DLP 3D printer. Release of Al, B, Na, Sr and F ions were measured by inductively coupled plasma (ICP) and an ion meter. Flexural strength test and water absorption measurements were performed according to the International Organization for Standardization (ISO) 4049 standard and ISO 1567 standard, respectively. Sr ions were released the most, followed by F, B, Na and Al ions. The highest flexural strength was recorded with the S-PRG filler amount 0 wt%, followed by the S-PRG filler amounts 30, 20 and 10 wt%. Water absorption after one week was below the 32 µg/mm³ mark specified by ISO 1567. The release of ions was confirmed using UDMA-based photopolymerized resin containing S-PRG filler. Furthermore, the results suggest that this resin could be used for provisional restoration.

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含S-PRG填料的3D打印树脂的力学性能和离子释放评价：初步研究。

本研究旨在评估DLP 3D打印机制备的含有0-30 wt%表面预反应玻璃离子聚体（S-PRG）填料的UDMA树脂的离子释放、弯曲强度和吸水率。用电感耦合等离子体（ICP）和离子计测量Al、B、Na、Sr和F离子的释放。抗弯强度测试和吸水率测试分别按照国际标准化组织（ISO） 4049标准和ISO 1567标准进行。Sr离子释放最多，其次是F、B、Na和Al离子。当S-PRG填充量为0 wt%时，其抗折强度最高，其次为30 wt%、20 wt%和10 wt%。一周后的吸水率低于ISO 1567规定的32µg/mm3。用含S-PRG填料的udma基光聚合树脂对离子的释放进行了验证。此外，研究结果表明，该树脂可用于临时修复。

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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%.