Meet Inspiring Speakers and Experts at our 3000+ Global Conference Series Events with over 1000+ Conferences, 1000+ Symposiums
and 1000+ Workshops on Medical, Pharma, Engineering, Science, Technology and Business.

Explore and learn more about Conference Series : World's leading Event Organizer

Back

Dana Jafarpur

Shiraz University of Medical Sciences, Shiraz, Iran

Title: The effect of two Nano filled resin-based coatings on color stability of five glass ionomer restoratives immersed in three different food simulating solutions

Biography

Biography: Dana Jafarpur

Abstract

Objectives: To evaluate the effect of different Nano filled resin coatings on the staining susceptibility of glass ionomer restoratives after immersion in three food simulating solutions (FSS).
Methods: Five encapsulated glass-ionomer restoratives (Riva light-cure (SDI), Riva self-cure (SDI), Fuji II LC (GC), Fuji Bulk(GC) and Equia Forte Fil (GC)) and two Nano filled coatings (EQUIA Coat (GC) and G-Coat plus (GC)) were employed. All specimens were immersed in distilled water for 24 h and then subjected to a color measurement with a spectrophotometer. Then the samples were divided into three subgroups and immersed for another one week in lactic acid (0.1mol/L), coffee, and distilled water (control) respectively. The differences in the lightness and chromaticity values (ΔL, Δa, Δb) were determined and the total color change (ΔE) was calculated using the formula: ΔEn=[( ΔLn)2+( Δan)2 + ( Δbn)2]1/2
Results: Three-Way ANOVA showed a significant interaction effect between materials, coatings and solutions for the color change values. Therefore, one-way ANOVA was used to compare different variables between the materials. Color change values (ΔE) varied depending on the material and solution. G-Coat Plus exhibited lower color change values compared to the EQUIAcoated and the uncoated groups. The effect of immersion in FSS on color change values among materials varied depending on the type of coating.