Abstract: A surgical element for guided and controlled tissue regeneration and method for selective tissue regeneration. The elements disclosed include embodiments containing protrusions on at least one side of a sheet of element material for separating the implanted element from an adjacent surface, and other embodiments comprising multiple layers of element material with internal spacer means separating the layers. Also disclosed is a method for treating supporting tissues adjacent to teeth and dental implants, the method comprising the use of a surgical element for selected influence on the growth of alveolar bone and periodontal ligament tissues.