Inclusion Criteria:  Patients had at two quadrants, adjacent Miller Class I and at least 2 mm or deeper recessions Full mouth plaque score 20% and Full mouth bleeding on probing 10% no active periodontal disease, involving incisors, canines and premolars, age ≥ 18 years  Exclusion Criteria:  Patients with general diseases which could affect healing process, smokers Patients had undergone periodontal surgery during the pervious 24 months on the involved sites, pregnant or breastfeeding women endodontic lesions or non-detectable cemento-enamel junctions at experimental teeth