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CC BY-NC-ND 4.0 · Eur J Dent 2016; 10(02): 225-229
DOI: 10.4103/1305-7456.178318
Original Article
Dental Investigation Society

Effects of adding silica particles on certain properties of resin-modified glass-ionomer cement

Nayef H. Felemban
1   Department of Orthodontics, Faculty of Dentistry, Taif University, Taif, Saudi Arabia
,
Mohamed I. Ebrahim
2   Department Restorative Dentistry, Faculty of Dentistry, Taif University, Taif, Saudi Arabia
› Author Affiliations
Further Information

Publication History

Publication Date:
23 September 2019 (online)

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ABSTRACT

Objective: This study was conducted to evaluate the effect of incorporation of silica particles with different concentrations on some properties of resin-modified glass ionomer cement (RMGIC): Microleakage, compressive strength, tensile strength, water sorption, and solubility. Materials and Methods: Silica particle was incorporated into RMGIC powder to study its effects, one type of RMGIC (Type II visible light-cured) and three concentrations of silica particles (0.06, 0.08, and 0.1% weight) were used. One hundred and twenty specimens were fabricated for measuring microleakage, compressive strength, tensile strength, water sorption, and solubility. Statistical Analysis: One-way analysis of variance and Tukey's tests were used for measuring significance between means where P ≤ 0.05. Results: RMGIC specimens without any additives showed significantly highest microleakage and lowest compressive and tensile strengths. Conclusion: Silica particles added to RMGIC have the potential as a reliable restorative material with increased compressive strength, tensile strength, and water sorption but decreased microleakage and water solubility.

Key words:

Class V - glass-ionomer - microleakage - silica particle - teeth restoration
 

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