Evaluation of the Color Matching of Composite Resin Restoration used for Repair with Initial Composite Resin Restoration

Saeedeh Asdagh, Mehdi Daneshpooy, Mahdi Rahbar, Shima Ghasemi, Shahrzad Ghasemzadeh


Objective: To investigate the color matching of the composite resin used for repaired with initial composite resin restoration after the aging process. Material and Methods: After preparation of 30 composite resin samples, their color were determined using the spectrophotometer four times and the average was recorded. After the initial aging, the color of the samples was measured again. Then, the repair process was performed with an appropriate composite resin color for each sample and the aging process was performed again. After the second aging, the color of the initial and the repaired composite resins were measured. Then, the data were analyzed by paired T-test. The level of significance was set at 5%. Results: The color difference of the initial composite resin between before and after initial aging, as well as the color difference of repaired composite resins between before and after second aging, were significant (p<0.001). Also, after the second aging, the color difference between initial and repaired composite resin restoration were significant (p<0.001). Conclusion: The color matching of the repaired composite resin with the initial one is not acceptable. In this way, replacement of initial composite suggested instead of repaired.


Color Matching; Composite Resin; Tooth Color; Aging.

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DOI: http://dx.doi.org/10.4034/PBOCI.2018.181.92