eISSN: 2299-551X
ISSN: 0011-4553
Journal of Stomatology
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4/2022
vol. 75
 
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abstract:
Original paper

Effect of accelerated aging on color stability of dual-cured self-adhesive resin cements and light-cured resin cement

Azita Kaviani
1
,
Anis Sherafat
2

1.
Department of Operative Dentistry, School of Dentistry, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
2.
MD Student of Dentistry, School of Dentistry, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
J Stoma 2022; 75, 4: 254-260
Online publish date: 2022/12/20
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Introduction
Color stability of resin cements plays an essential role in esthetics of ceramic restorations. Resin cements are widely used in dentistry and have different clinical applications.

Objective
This study aimed to evaluate the effect of accelerated aging on color stability of dual-cured self-adhesive resin cements and light-cured resin cement.

Material and methods
In this study, 15 disc-shaped specimens (45 specimens in total) were made using a stainless steel mold from three types of cement: two dual-cured self-adhesive resin (G-Cem LinkForce, GC, Corporation, Tokyo, Japan, and Panavia SA, Kuraray, Osaka, Japan), and a light-cured resin (Choice2, Bisco Inc., Schaumburg, IL, USA) cement. Baseline colorimetry was performed using Easy Shade (Vita, Germany) according to CIE Lab system. Samples underwent aging process for 100 hours, after which the final colorimetry of samples was performed. Color differences between samples were measured and analyzed using ANOVA and Tukey tests with SPSS version 22. P-value < 0.05 was considered statistically significant.

Results
All resin cements had lower L* values after accelerated aging, but it was not significant in Panavia SA group (p = 0.121). Color change in the dual-cured self-adhesive resin cements (G-Cem LinkForce and Panavia SA) was associated with clinically acceptable values of ΔE (ΔE < 3.5).

Conclusions
Color stability of adhesive resin cements after accelerated aging was evaluated, and statistically significant color changes were observed within a clinically acceptable range in dual-cure adhesive resin cements.

keywords:

accelerated aging, color stability, dual-cured self-adhesive resin cement, light-cured resin cement

 
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