The oral implant is in the shape of a cylinder with a flat proximal end and a rounded distal end. Projecting members are formed on the cylindrical surface that taper from the proximal end of the cylindrical body toward the distal end thereof. The projecting members are radially spaced, and in one embodiment...http://www.google.ca/patents/US4854873?utm_source=gb-gplus-sharePatent US4854873 - Oral implant
