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Effect of shear bond strength in porcelain repair using five different surface treatments - An in-vitro study
Aditya Vitthal Kulkarni1, Mahesh Gandhewar2, Nageshnath Baliram Waghmare3
1Department of prosthodontics and crown and bridge, Government Dental College Jalgaon, Maharashtra, India.
Abstract:
The effect of surface treatments and bonding agents on the shear bond strength of composite resin to fractured metal-ceramic restorations is evaluated. Sixty Co-Cr discs were treated with diamond bur, sandblasting, hydrofluoric acid (HF), or their combinations and bonded using Clearfil, Shofu, or All Bond 2. Clearfil showed the highest bond strength, particularly with HF treatment. Shofu performed best with diamond + HF and All Bond 2 with sandblasting + HF. Thus, surface treatment and bonding agent selection significantly impact ceramic repair outcomes.
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