A triethylene glycol dimethacrylate- free dental composite for reduced water-sorption and shrinkage

被引：4

作者：

Xu, Yuling ^{[1
,2
]}

Xie, Dong ^{[2
]}

机构：

[1] Wuhan Polytech Univ, Coll Chem & Environm Engn, Wuhan, Hubei, Peoples R China

[2] Indiana Univ Purdue Univ, Dept Biomed Engn, Indianapolis, IN 46202 USA

来源：

JOURNAL OF COMPOSITE MATERIALS | 2018年 / 52卷 / 12期

关键词：

Urethane-based oligomer; compressive strength; viscosity; resin composite; evaluation; BIS-GMA; RESIN; MONOMERS; POLYMER;

D O I：

10.1177/0021998317729004

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

A number of new liquid urethane-based oligomers were synthesized, characterized and used to formulate the dental composites. Compressive strength and viscosity were used as a screen tool to evaluate the formed composites. Commercial available bisphenol A glycidyl methacrylate and urethane dimethacrylate-based systems were used as controls. Degree of conversion, shrinkage, water-sorption, solubility, flexural strength and diametrial tensile strength were evaluated. The results show that using mixed acrylate/methacrylate or methacrylates with different length to derivatize diisocyanates could be a good strategy to synthesize urethane-based oligomers in a liquid state. The developed triethylene glycol dimethacrylate-free urethane-based composites showed significantly reduced water sorption and solubility, decreased shrinkage and enhanced mechanical strength as compared to commercial resin-based ones.

引用

页码：1579 / 1588

页数：10

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