Resorbable collagen membranes are frequently used as wound dressings because they act as a scaffold, promote platelet aggregation, stabilize clots, and attract fibroblasts, facilitating wound healing; they are therefore often used for GBR.7, 9, 17 and 18 Other applications for these collagen products include ridge augmentation and grafting of extraction sockets, as well as for sinus lift procedures, the repair of sinus membrane tears, soft tissue recontouring, and GBR during apicoectomy.7, 9, 19 and 20