Abstract
This in vivo study aims to evaluate the longevity of restorations in NCCLs abraded with aluminum oxide particles, using two adhesive systems, based on a double-blind randomized clinical study. The experimental groups will be: G1: air-abrasion with aluminum oxide at 50 mm + Single Bond Universal adhesive (3M Oral Care) with selective enamel etching; G2: Single Bond Universal (3M Oral Care)…