The Effect of Incorporation of 0. 5 %wt. Silica Nanoparticles on the Micro Shear Bond Strength of a Resin Modified Glass Ionomer Cement

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REZVANI MOHAMMAD BAGHER; ATAI MOHAMMAD; Safar Alizade Hamid; MOHAMMADI BASIR MAHSHID; KOOHPEIMA FATEMEH; Siabani Saba

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Journal: JOURNAL OF DENTISTRY (SHIRAZ UNIVERSITY OF MEDICAL SCIENCES) Year:2019 | Volume:20 | Issue:2 Page(s): 124-130

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Title

The Effect of Incorporation of 0. 5 %wt. Silica Nanoparticles on the Micro Shear Bond Strength of a Resin Modified Glass Ionomer Cement

Author(s)

Keywords

Glass Ionomer

Silica

Nanoparticles

Shear Strength

Abstract

Statement of the Problem: The clinical success of Glass Ionomer restorations depends on the strength of resin-modified Glass Ionomer (RMGI) cement bonding to dentin and there is limited information available regarding the bond strength of resin modified Glass Ionomers containing Silica Nanoparticles to dental structures. Purpose: The aim of this study was to compare the microshear bond strength (μ SBS) of RMGI with and without Silica (SiO2) Nanoparticles to dentin of permanent teeth. Materials and Method: In this experimental study, the occlusal surfaces of 30 freshly extracted intact third molars were ground to expose the flat dentin and after conditioning with 20% poly acrylic acid, were randomly assigned to two main groups (n=15). The first group was filled with RMGI (Fuji II LC, GC) and the second group was filled with RMGI plus 0. 5%wt. Silica Nanoparticles. Then, each main group was divided into three subgroups, and then stored in an incubator at 37 oC with 100% humidity for 1, 7, and 30 days. The μ SBS test was performed using a universal testing machine (1 mm/min). The data were analyzed by t-test, repeated measures ANOVA and Tukey test (p< 0. 05). Results: There were no statistically significant differences between the mean μ SBS of the groups with and without Nanoparticles along the different storage periods (p> 0. 05). There was significant difference in μ SBS values among the three different storage periods in all the tested materials (p< 0. 05). Conclusion: Incorporation of 0. 5 %wt. Silica Nanoparticles did not compromise the μ SBS of Fuji II LC RMGI to dentin.

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APA: Copy

REZVANI, MOHAMMAD BAGHER, ATAI, MOHAMMAD, Safar Alizade, Hamid, MOHAMMADI BASIR, MAHSHID, KOOHPEIMA, FATEMEH, & Siabani, Saba. (2019). The Effect of Incorporation of 0. 5 %wt. Silica Nanoparticles on the Micro Shear Bond Strength of a Resin Modified Glass Ionomer Cement. JOURNAL OF DENTISTRY (SHIRAZ UNIVERSITY OF MEDICAL SCIENCES), 20(2), 124-130. SID. https://sid.ir/paper/735037/en

Vancouver: Copy

REZVANI MOHAMMAD BAGHER, ATAI MOHAMMAD, Safar Alizade Hamid, MOHAMMADI BASIR MAHSHID, KOOHPEIMA FATEMEH, Siabani Saba. The Effect of Incorporation of 0. 5 %wt. Silica Nanoparticles on the Micro Shear Bond Strength of a Resin Modified Glass Ionomer Cement. JOURNAL OF DENTISTRY (SHIRAZ UNIVERSITY OF MEDICAL SCIENCES)[Internet]. 2019;20(2):124-130. Available from: https://sid.ir/paper/735037/en

IEEE: Copy

MOHAMMAD BAGHER REZVANI, MOHAMMAD ATAI, Hamid Safar Alizade, MAHSHID MOHAMMADI BASIR, FATEMEH KOOHPEIMA, and Saba Siabani, “The Effect of Incorporation of 0. 5 %wt. Silica Nanoparticles on the Micro Shear Bond Strength of a Resin Modified Glass Ionomer Cement,” JOURNAL OF DENTISTRY (SHIRAZ UNIVERSITY OF MEDICAL SCIENCES), vol. 20, no. 2, pp. 124–130, 2019, [Online]. Available: https://sid.ir/paper/735037/en

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