Duygu Saraç, DDS, PhD/Yakup Sinasi Saraç, DDS, PhD/Safak Külünk, DDS, PhD/Ayça Erkoçak, DDS, PhD: This study evaluated the effect of surface treatments on the repair strength of composite resin on a feldspathic ceramic. Ninety ceramic specimens were divided into six groups. In the experimental groups, 4% hydrofluoric acid etching, Er:YAG laser irradiation, CO2 laser irradiation, airborne-particle abrasion, and silica coating were used as surface treatments. After the application of a porcelain repair kit, composite resin was placed on the treated surfaces. After a shear bond strength test, data were statistically analyzed (α = .05). Surface treatments increased the repair bond strength values (P < .05). Airborneparticle abrasion and silica coating were found to be the most effective. CO2 laser showed higher repair strength values than Er:YAG laser. (Int J Periodontics Restorative Dent 2013;33:e120e126. doi: 10.11607/prd.1362)
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Saraç et al. (2013) studied this question.
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