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Effect of novel cycloaliphatic comonomer on the flexural and impact strength of heat-cure denture base resin
Journal of Oral Science ( IF 1.9 ) Pub Date : 2020-12-23 , DOI: 10.2334/josnusd.19-0493
Ajay Ranganathan 1 , Suma Karthigeyan 2 , Rahila Chellapillai 3 , Venkateshwaran Rajendran 4 , Tamizhesai Balavadivel 5 , Anand Velayudhan 4
Affiliation  

This study aims to evaluate the impact of adding a novel tricyclodecane dimethanol diacrylate comonomer on the flexural strength (FS) and impact strength (IS) of heat-cure denture base resin at 10% and 20% (v/v) concentrations. To test the FS and IS, a sum total of 150 bar-shaped specimens were prepared according to standard specifications. For the FS, the specimens were subjected to the three-point bend test with a span length of 50 mm. For the IS, Charpy’s test was executed with a span length of 60 mm. The FS was measured in MPa, and the IS was measured in kJ/m2. There was a statistically significant difference (P < 0.001) between the control and experimental groups in that both the FS and IS were increased in the experimental groups relative to the control group.



中文翻译:

新型脂环族共聚单体对热固性义齿基料树脂弯曲强度和冲击强度的影响

这项研究旨在评估在10%和20%(v / v)浓度下添加新型三环癸烷二甲醇二甲醇二丙烯酸酯共聚单体对热固化义齿基体树脂的挠曲强度(FS)和冲击强度(IS)的影响。为了测试FS和IS,根据标准规格总共准备了150个棒状样品。对于FS,对样品进行跨度为50 mm的三点弯曲测试。对于IS,Charpy的测试以60 mm的跨度进行。FS以MPa为单位,IS以kJ / m 2为单位。对照组与实验组之间存在统计学上的显着差异(P <0.001),因为实验组的FS和IS均相对于对照组有所增加。

更新日期:2020-12-28
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