Cor Adv Flap Plus Ac Derm Matrix in Thin Phenotype Multiple Recessions

Inclusion Criteria: * Systemically healthy patients * Miller Class I \& II multiple buccal recession defects ≥ 3 mm on maxillary incisors, canines or premolars * Esthetic indication for root coverage * Probing depth \< 3mm at the recession sites Exclusion Criteria: * Smokers * Pregnancy * Bruxism and occlusal trauma * Previous root coverage procedure * Endodontically treated teeth at the recession sites * Caries or restorations at the recession sites * Use of antibiotics over the previous 3 months prior to treatment