Mucoderm® Versus CTG in the Treatment of Multiple Gingival Recessions Associated With Non-carious Cervical Lesion.

Inclusion Criteria: * patients presenting three or more Miller class I or II multiple adjacent gingival recessions (recession depth ≥ 2,5 mm) in incisors, canines or premolars associated with non-carious cervical lesion; * teeth included in the study should present pulp vitality; * patients presenting no signs of active periodontal disease and full-mouth plaque and bleeding score ≤ 20%; * patients older than 18 years old; * probing depth ˂ 3 mm in the included teeth; * patients who agreed to participate and signed an informed consent form. Exclusion Criteria: * patients with systemic problems (cardiovascular, blood dyscrasias, immunodeficiency, and diabetes, among others) that will contraindicate the surgical procedure * patients taking medications known to interfere with the wound healing process or that contraindicate the surgical procedure * smokers or pregnant women * patients who underwent periodontal surgery in the area of interest;