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DOI :10.26650/eor.20200063   IUP :10.26650/eor.20200063    Full Text (PDF)

Effect of zinc oxide nanoparticles on the flexural strength of polymethylmethacrylate denture base resin

Santhanam Vikram, N. Gopi Chander

Purpose This study evaluated the flexural strength of polymethyl methacrylate (PMMA) reinforced with various concentrations of zinc oxide (Zn O) nanoparticles Materials and Methods Nano ZnO was added in 0, 0.4, 0.6, 0.8, 1.2 and 1.4 percentage to PMMA denture base material. 60 specimens of heat cure polymerizing acrylic resin of dimensions 10mm x 4mm x 80mm were fabricated in accordance to ISO 20795-1-2013. The specimens were divided into 6 groups. Acrylic specimens were processed according to manufacturer’s instruction. Three-point bending test was performed to evaluate the flexural strength. Surface analysis was performed with scanning electron microscopy (SEM) to observe the fracture surfaces of specimens. ANOVA and Tukey tests were used for the statistical analysis (p < 0.05). Results Statistical analysis revealed significant differences in strength between groups. The flexural strength improved with the addition ZnO nanoparticles. Highest mean value was observed in Group nZn -14 (91.31 MPa) and lowest in control Group nZn-0 (61.36 MPa). ANOVA and Tukey’s honestly significance test found statistical significant differences among the groups ( p<0.001). Conclusion The addition of ZnO nanoparticles in all concentrations increased the flexural strength of acrylic resin when compared to the control group. 

Keywords: Flexural strength, heat cure acrylic, nano particles, poly methyl metha acrylate, zinc oxide

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Citations

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APA

Vikram, S., & Chander, N.G. (2020). Effect of zinc oxide nanoparticles on the flexural strength of polymethylmethacrylate denture base resin. European Oral Research, 54(1), 31-35. https://doi.org/10.26650/eor.20200063


AMA

Vikram S, Chander N G. Effect of zinc oxide nanoparticles on the flexural strength of polymethylmethacrylate denture base resin. European Oral Research. 2020;54(1):31-35. https://doi.org/10.26650/eor.20200063


ABNT

Vikram, S.; Chander, N.G. Effect of zinc oxide nanoparticles on the flexural strength of polymethylmethacrylate denture base resin. European Oral Research, [Publisher Location], v. 54, n. 1, p. 31-35, 2020.


Chicago: Author-Date Style

Vikram, Santhanam, and N. Gopi Chander. 2020. “Effect of zinc oxide nanoparticles on the flexural strength of polymethylmethacrylate denture base resin.” European Oral Research 54, no. 1: 31-35. https://doi.org/10.26650/eor.20200063


Chicago: Humanities Style

Vikram, Santhanam, and N. Gopi Chander. “Effect of zinc oxide nanoparticles on the flexural strength of polymethylmethacrylate denture base resin.” European Oral Research 54, no. 1 (Apr. 2024): 31-35. https://doi.org/10.26650/eor.20200063


Harvard: Australian Style

Vikram, S & Chander, NG 2020, 'Effect of zinc oxide nanoparticles on the flexural strength of polymethylmethacrylate denture base resin', European Oral Research, vol. 54, no. 1, pp. 31-35, viewed 19 Apr. 2024, https://doi.org/10.26650/eor.20200063


Harvard: Author-Date Style

Vikram, S. and Chander, N.G. (2020) ‘Effect of zinc oxide nanoparticles on the flexural strength of polymethylmethacrylate denture base resin’, European Oral Research, 54(1), pp. 31-35. https://doi.org/10.26650/eor.20200063 (19 Apr. 2024).


MLA

Vikram, Santhanam, and N. Gopi Chander. “Effect of zinc oxide nanoparticles on the flexural strength of polymethylmethacrylate denture base resin.” European Oral Research, vol. 54, no. 1, 2020, pp. 31-35. [Database Container], https://doi.org/10.26650/eor.20200063


Vancouver

Vikram S, Chander NG. Effect of zinc oxide nanoparticles on the flexural strength of polymethylmethacrylate denture base resin. European Oral Research [Internet]. 19 Apr. 2024 [cited 19 Apr. 2024];54(1):31-35. Available from: https://doi.org/10.26650/eor.20200063 doi: 10.26650/eor.20200063


ISNAD

Vikram, Santhanam - Chander, N.Gopi. “Effect of zinc oxide nanoparticles on the flexural strength of polymethylmethacrylate denture base resin”. European Oral Research 54/1 (Apr. 2024): 31-35. https://doi.org/10.26650/eor.20200063



TIMELINE


Submitted04.01.2019
Accepted16.09.2019
Published Online23.01.2020

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