The influence of quaternary ammonium salts on mechanical properties of light-cured resin dental composites

被引：3
|
作者：
Zalega, Maja [1 ]
Nowak, Joanna [2 ]
Bociong, Kinga [1 ]
机构：
[1] Med Univ Lodz, Dept Gen Dent, Ul Pomorska 251, PL-92213 Lodz, Poland
[2] Med Univ Lodz, Lab Mat Res, Ul Pomorska 251, PL-92213 Lodz, Poland
来源：
POLIMERY | 2023年 / 68卷 / 04期
关键词：
dental composites; quaternary ammonium salts; mechanical properties; POLYMERIZATION SHRINKAGE; STRESS; ADHESIVE; STRENGTH; HARDNESS;
D O I：
10.14314/polimery.2023.4.1
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The composite consisting of bis-GMA/UDMA/HEMA/TEGDMA monomer mixture forming a polymer matrix filled with silanized silica (45 wt%) was modified with CTAB or DODAB quaternary ammonium salts (0.5-2.0 wt%). The hardness, flexural strength as well as diametrical tensile strength of the composite before and after modification were evaluated. The type and amount of salt affected the hardness, flexural strength, and shrinkage stress; however, they did not influence the diametral tensile strength of the tested composites.
引用
收藏
页码：195 / 205
页数：11
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