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A study on the characteristics of resin composites for provisional restorations

KATAYAMA, Yuta ; OHASHI, Katsura ; IWASAKI, Taro ; KAMEYAMA, Yuka ; WADA, Yuuki ; MIYAKE, Kaori ; TANIMOTO, Yasuhiro ; NIHEI, Tomotaro

Dental Materials Journal, 2022/03/25, Vol.41(2), pp.256-265

Japan: The Japanese Society for Dental Materials and Devices

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Título:
A study on the characteristics of resin composites for provisional restorations
Autor: KATAYAMA, Yuta ; OHASHI, Katsura ; IWASAKI, Taro ; KAMEYAMA, Yuka ; WADA, Yuuki ; MIYAKE, Kaori ; TANIMOTO, Yasuhiro ; NIHEI, Tomotaro
Assuntos: Composite materials ; Composite Resins ; Correlation coefficient ; Correlation coefficients ; Fillers ; Flexural strength ; Hardness ; Materials Testing ; Mechanical properties ; Mechanical property ; Modulus of rupture in bending ; Pliability ; Provisional restoration ; Resin composite ; Resins ; Staining ; Surface hardness ; Surface Properties ; Thermal stress ; Variance analysis ; Water absorption ; Water hardness ; Water storage ; Wear
É parte de: Dental Materials Journal, 2022/03/25, Vol.41(2), pp.256-265
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: 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.
Editor: Japan: The Japanese Society for Dental Materials and Devices
Idioma: Inglês;Japonês

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A study on the characteristics of resin composites for provisional restorations

KATAYAMA, Yuta ; OHASHI, Katsura ; IWASAKI, Taro ; KAMEYAMA, Yuka ; WADA, Yuuki ; MIYAKE, Kaori ; TANIMOTO, Yasuhiro ; NIHEI, Tomotaro

Japan: The Japanese Society for Dental Materials and Devices

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