Root coverage stability: A systematic overview of controlled clinical trials with at least 5 years of follow-up.

Objectives: To systematically assess the long-term outcome (≥5 years) of root coverage procedures reported in controlled clinical trials.

Material And Methods: Literature search was performed according to the PRISMA guidelines with the following eligibility criteria: (a) English or German language; (b) controlled (CT) or randomised controlled clinical trials (RCT); (c) root coverage procedure with ≥5 years follow-up; and (d) clinical treatment effect size and/or patient-related outcome measures (PROMs) reported.

Results: Four CT and 14 RCT with a follow-up of 5-20 years fulfilled the eligibility criteria; sample size per study ranged from 8 to 70 patients contributing with 18-149 sites.