[Implantation using a metal screw combined with the root segment into the edentulous part of the jaw].

The authors proposes a special method for the placement of implants into edentulous areas of the jaw. It involves the use of a metal screw combined with a denaturated segment of human dental root. The root segment constitutes the transmucosal part of the implant. Other types of implants used on humans so far have failed to achieve biological tissue attachment in the gingivo-epithelial region. The root segment coated with acellular denaturated cement possesses optimal biochemical compatibility with gingivo-epithelial tissue. The study included 22 patients aged from 20-60 years whom the implants were tested in. The implants were inserted into healthy regions of edentulous jaws. Osseointegrati on was attained in all the cases. Tho years after the insertion healthy periodontal status was found in 12 implants, while four showed gingival pockets measuring up to 3 mm in depth on the proximal surfaces of the root segment. The remaining 16 implants were checked one year after placement. Pockets involving the proximal surfaces were found in three patients. Curettage was performed in all the seven patients with gingival pockets; re-attachment between in the root segment and gingivo-epithelial tissues was achieved in four of them. The success rate of the procedure, calculated from these results, is 90.6%. The failures in the series are attributed to inadequate oral hygiene.