Effect of Conventional in-Office Bleaching and Laser Assisted Bleaching at Two Different Wavelengths on Color Stability of Glass-Ionomers
Author(s):
Abstract:
Background And Aim
Bleaching can improve the color of restorative materials and resolve problems related to discoloration or color mismatch. This study evaluated the effect of in-office bleaching method in conjunction with two different laser wavelengths on color change of two types of glass-ionomer restorative materials (light-cure and self-cure).Materials And Methods
In this experimental study, thirty samples were fabricated of Fuji IX, and FUJI II LC glass-ionomer restorative material and specimens of each glass- ionomer were divided into three subgroups (n=10) receiving the following treatments:1. Laser assisted in-office bleaching with Opalescence Boost® along with 980nm diode laser; 2. Laser assisted in-office bleaching with Opalescence Boost® along with 810nm diode laser; 3. Conventional in-office bleaching with Opalescence Boost ®. The color of all specimens was evaluated before and after bleaching with Spectro Shade. Data were analyzed using two-way ANOVA followed by Tukeys HSD test.Results
Total color change (ΔE) was significantly different before and after bleaching in all groups (PConclusion
Bleaching with or without laser results in a significant color change in light-cure and self-cure glass-ionomersionomer, Lasers, Tooth BleachingLanguage:
English
Published:
Journal of Islamic Dental Association of IRAN, Volume:29 Issue: 1, Winter 2017
Page:
7
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