Prolonged Application Time Effects on Universal Adhesives in Non-Carious Cervical Lesions: an 18-Month Split Mouth Randomized Clinical Trial.

•Non-carious cervical lesions is the most recommended substrate to evaluated adhesive performance.•The no-waiting technique exhibited promising clinical performance.•The no-waiting technique yielded results similar to the gold-standard adhesive.•The 18-month follow-up period should be consider a middle follow-up.