Effect of novel cycloaliphatic comonomer on the flexural and impact strength of heat-cure denture base resin

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 prep...

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Published inJournal of Oral Science Vol. 63; no. 1; pp. 14 - 17
Main Authors Ranganathan, Ajay, Karthigeyan, Suma, Chellapillai, Rahila, Rajendran, Venkateshwaran, Balavadivel, Tamizhesai, Velayudhan, Anand
Format Journal Article
LanguageEnglish
Published Japan Nihon University School of Dentistry 01.01.2021
Subjects
Acrylic Resins
cross-linker
cycloaliphatic monomer
Dentistry
Denture Bases
flexural strength
Hot Temperature
impact strength
Materials Testing
monomer
impact strength
cycloaliphatic monomer
cross-linker
flexural strength
monomer
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Summary: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.
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ISSN:1343-4934
1880-4926
DOI:10.2334/josnusd.19-0493