Coating of gingival recession class I and II of Miller, treated with Acellular Dermal Matrix (ADM), Subepithelial Connective Tissue Graft (SECT graft) and Coronally Advanced Flap with Enamel Matrix Derivative (CAF) + (EMD). Double-blind randomized clinical trials. OI. 2015;1(1). doi:10.18272/oi.v1i1.94