A study on the characteristics of resin composites for provisional restorations

Yuta Katayama, Katsura Ohashi, Taro Iwasaki, Yuka Kameyama, Yuuki Wada, Kaori Miyake, Yasuhiro Tanimoto, Tomotaro Nihei

研究成果: ジャーナルへの寄稿記事査読

4 被引用数 (Scopus)

抄録

In this study, we evaluated the characteristics of five commercial resin composites used for provisional restorations. The inorganic filler contents of the resins were measured, and three-point bending, wear, surface hardness, water absorption, and staining tests were performed. The specimens underwent additional three-point bending tests after water storage and undergoing thermal stresses at 5°C and 55°C (10,000 cycles). Data were analyzed using one-or two-way analysis of variance and Bonferroni post-hoc tests. Pearson’s correlation coefficient was used for pairwise comparisons. Each resin composite presented with different mechanical properties, based on variations in the inorganic filler content. The flexural strength of each resin composite was significantly decreased after water storage. There has a positive correlation between flexural strength and dynamic hardness but a negative correlation between flexural strength and maximum wear depth. The types and contents of the inorganic fillers, the composition of the monomer in the resin matrix, and the addition of plasticizers can affect the properties of the material.

本文言語英語
論文番号dmj/2021-006
ページ(範囲)256-265
ページ数10
ジャーナルDental Materials Journal
41
2
DOI
出版ステータス出版済み - 2022

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