TY - GEN
T1 - The physical properties of PMMA denture base resin incorporated with vanillin
AU - Vongvachvasin, Kittituch
AU - Thaweboon, Sroisiri
AU - Churnjitapirom, Pornkiat
AU - Kaophun, Saowaros
AU - Chotprasert, Natdhanai
N1 - Publisher Copyright:
© 2018 Trans Tech Publications, Switzerland.
PY - 2018
Y1 - 2018
N2 - Long-term use of a denture base can be a reservoir of microbes due to porosities and mechanical wear of denture surfaces. Vanillin has an antimicrobial effect. However, its influence on physical properties after incorporated in PMMA has not yet been evaluated. The purpose of this study was to investigate physical properties of PMMA by incorporating vanillin in different concentrations. Material and method. There were three groups of PMMA with ten specimens per group. Flexural strength and flexural modulus were tested by using a 3-point bending machine, and surface hardness was determined by Vickers hardness test. One-way ANOVA and Kruskal Wallis tests were used to analyze all data at 0.05 significance level. Result. The 0.1% vanillin group yielded a significant difference in Vickers hardness number (17.15 HV) as compared to 0.5% vanillin group (16.30 HV) and without vanillin (15.30 HV). In contrast, the flexural strength and modulus showed no significant difference among test groups upon incorporation of vanillin. Conclusion. The vanillin incorporated PMMA group demonstrated higher surface hardness, compared to the group without vanillin. In addition, there were no significant differences in flexural strength and flexural modulus among the three groups. This study also found no adverse effect in physical properties of the vanillin incorporated PMMA.
AB - Long-term use of a denture base can be a reservoir of microbes due to porosities and mechanical wear of denture surfaces. Vanillin has an antimicrobial effect. However, its influence on physical properties after incorporated in PMMA has not yet been evaluated. The purpose of this study was to investigate physical properties of PMMA by incorporating vanillin in different concentrations. Material and method. There were three groups of PMMA with ten specimens per group. Flexural strength and flexural modulus were tested by using a 3-point bending machine, and surface hardness was determined by Vickers hardness test. One-way ANOVA and Kruskal Wallis tests were used to analyze all data at 0.05 significance level. Result. The 0.1% vanillin group yielded a significant difference in Vickers hardness number (17.15 HV) as compared to 0.5% vanillin group (16.30 HV) and without vanillin (15.30 HV). In contrast, the flexural strength and modulus showed no significant difference among test groups upon incorporation of vanillin. Conclusion. The vanillin incorporated PMMA group demonstrated higher surface hardness, compared to the group without vanillin. In addition, there were no significant differences in flexural strength and flexural modulus among the three groups. This study also found no adverse effect in physical properties of the vanillin incorporated PMMA.
KW - Flexural modulus
KW - Flexural strength
KW - PMMA
KW - Physical properties
KW - Vanillin
KW - Vickers hardness
UR - http://www.scopus.com/inward/record.url?scp=85052726553&partnerID=8YFLogxK
U2 - 10.4028/www.scientific.net/KEM.773.338
DO - 10.4028/www.scientific.net/KEM.773.338
M3 - Conference contribution
AN - SCOPUS:85052726553
SN - 9783035713374
T3 - Key Engineering Materials
SP - 338
EP - 343
BT - Applied Engineering, Materials and Mechanics II
A2 - Hu, Jong Wan
PB - Trans Tech Publications Ltd
T2 - 3rd International Conference on Applied Engineering, Materials and Mechanics, ICAEMM 2018
Y2 - 20 April 2018 through 22 April 2018
ER -