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Use of titanium dental implants as an integrated part of a CLP protocol.

The problem of edentulousness in the cleft area of patients with cleft lip and palate was formerly resolved with a conventional fixed bridge construction, but this approach did not always prove optimal. Nowadays, in these patients the bridge can be substituted by a crown on an osseointegrated titanium implant fixture. The concept of dental rehabilitation using titanium implants has gradually merged into our routine treatment for patients with cleft lip and palate. In this report we describe our surgical technique using osseointegrated titanium implants and evaluate our result in patients with cleft lip and palate. Sixteen patients with cleft lip and palate, 11 men and five women, were divided into two groups: group 1 consisted of six patients who did not need bone grafting prior to the fixture installation, and group 2 comprised 10 patients who had additional bone grafting three months before the fixture installation. Abutments were applied six months after fixture installation. Dental crowns and fixed bridges were then constructed. All patients were seen on regular follow-up visits. Routine roentgenograms were obtained preoperatively and when the abutments were applied. Photographs were taken at these occasions and also after the prosthodontic work was completed. Of a total of 31 fixtures, all except two were osseointegrated at the time of the abutment connection, and the remaining 29 have all been functional during the observation period, giving a success rate of 93%. In group 1 all fixtures (100%) were osseointegrated. The non-integrated fixtures were found in group 2 giving a success rate of 91% in this group. The mean follow-up time after fixture installation was six years and three months, and the mean observation time with loaded fixtures was five years and six months.