Effects of Incorporation of Titanium Dioxide Nanoparticles on Mechanical Properties of Conventional Glass Ionomer Cement

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Panahandeh Narges; Hasani Elham; Safa Saeed; Hashemi Mojtaba; Torabzadeh Hassan

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

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Journal: Journal of Iranian Medical Council Year:621 | Volume: | Issue: Page(s): 99-106

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Title

Effects of Incorporation of Titanium Dioxide Nanoparticles on Mechanical Properties of Conventional Glass Ionomer Cement

Author(s)

Keywords

Glass ionomer cementsQ4

HardnessQ4

RoughnessQ4

Titanium dioxide nanoparticlesQ4

Abstract

Background: Due to the poor mechanical properties of Glass Ionomer Cement (GICs), their use is limited to low stress-bearing areas. This study aimed to assess the effect of the addition of Titanium Dioxide (TiO2) nanoparticles on the flexural strength and surface Hardness of GIC. Methods: In this in vitro study, 3, 5, and 10 wt. % TiO2 nanoparticles were added to Fuji II conventional GIC powder. The purity and composition of the as-synthesized titania were investigated by using XRD and FT-IR tools. The homogeneity of powder particles within the used matrix was evaluated under a Scanning Electron Microscope (SEM). Results: The SEM micrographs confirmed the homogenous mixing of TiO2 nanoparticles with GIC powder. Conclusion: Nevertheless, the flexural strength of experimental groups was not significantly different from that of the control group (p=0. 384). However, the surface Hardness of experimental groups was decreased in comparison with that of the control group (p<0. 001).

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