A Comparison of Side Access Mucosal Releasing Incision (SAMRI) and Sulcular Tunnel Access to Treat Gingival Recession.

Inclusion Criteria: * English speaking * At least 18 years old * Must be a patient of the UAB Dental School * Able to read and understand informed consent document * One or more adjacent teeth (up to four) with Miller class I or II gingival recession defects and less than or equal to 2mm of KT at each site to be treated. * Presence of periodontally healthy, non-carious neighboring teeth, healthy implants or edentulous ridges on either side of the involved site(s) * No anticipated need for restorative care at the teeth to be treated during the study period. Exclusion Criteria: * Non-English speaking * Less than 18 years old * Smokers/tobacco users (\>10 cigarettes/day) * Patients with systemic pathologies or conditions contraindicating oral surgical procedures or adversely affecting wound healing * Presence of active periodontal disease or radiographic interproximal bone loss or tooth malposition, which would yield a Miller class III or IV categorization for the recession defect. * Presence of frenulae or other soft tissue anomalies at the site(s) to be treated that, in the opinion of the investigators, will interfere with successful access and treatment of the soft tissue defects. * Previous soft tissue grafting at the site(s) to be treated