162 Theories and techniques of oral implantology

Fig. 5-55. Raphael Chercheve placed an acrylic block over the anterior teeth and drove pins through the canals into the block. Since it was difficult to execute, the procedure has been discarded. (From Linkow, L. I.: Clinical evaluation of the various designed endosseous implants, J. Oral Implant Transplant Surg. 12:42, 1966.)

Fig. 5-57. Both implants are in place with the connecting bar bridging them. The prosthesis is fashioned over the bridge. Here Linkow also used a vent-plant to help offset bucco- and labiolingual movements.

Fig. 5-56. Bordon and Azoulay bifid implants.