Effect of anhydrous calcium sulfate whisker on the mechanical function of soft denture liners
10.3969/j.issn.2095-4344.2015.47.014
- VernacularTitle:无水硫酸钙晶须对义齿软衬材料机械性能的影响
- Author:
Shijun GAO
;
Guoxin REN
;
Siyi WEI
;
Minghui CHU
;
Dongxia WANG
;
Yuze HOU
;
Yuanyuan XIAO
;
Yanjun HUANG
;
Jiazhen JIANG
- Publication Type:Journal Article
- From:
Chinese Journal of Tissue Engineering Research
2015;(47):7624-7628
- CountryChina
- Language:Chinese
-
Abstract:
BACKGROUND:Due to limitations of the physicochemical properties of soft denture liner material itself, whisker has been added in the soft lining material in recent years, so as to enhance its mechanical properties. OBJECTIVE:To investigate the effect of different additive amount of anhydrous calcium sulfate whisker on the mechanical function of self-curing soft denture liner. METHODS: There were six groups in this experiment. Anhydrous calcium sulfate whisker at the mass fraction of 0 (control), 1%, 2%, 3%, 4%, 5% was respectively added into self-curing soft liner materials, 10 test specimens in each group, a total of 60 test specimens. The shear bond strength, Shore hardness and tensile strength were detected. RESULTS AND CONCLUSION: With the increasing amount of the anhydrous calcium sulfate whisker, the Shore hardness of the soft lining material was increased continuously, and the tensile strength was increased firstly and then reduced. When 3% anhydrous calcium sulfate whisker was added, the bond strength and tensile strength of soft lining material reached the peak. Taken together, the mechanical properties of the soft lining materials became perfect when 3% anhydrous calcium sulfate whisker was added. These results demonstrate that anhydrous calcium sulfate whisker may affect the mechanical properties of self-curing soft liner.
