Clinical evaluation of three dentine bonding agents.

Three commercial dentine bonding agents were used with composite resin to restore non-undercut Class V abrasion lesions without enamel etching. Patients were reviewed at 3, 6 and 12 months and the integrity and marginal staining of restorations was assessed. The loss incidence of restorations ranged from 18 to 40 per cent at one year, and there was increasing evidence of marginal staining over the evaluation period. Comparisons are made with other commercial dentine bonding agents from previous studies in this series.