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Published on: July 15, 2009
Osseotite implant: 3-year prospective multicenter evaluation
M Davarpanah1, H Martinez, R Celletti
1Department of Periodontology, Hopital Pitié-Salpêtriêre, Paris, France. m.davarpanah@wanadoo.fr
Purpose:
This prospective multicenter study evaluates the cumulative success rate of the Osseotite implant after 3 years of prosthetic loading.
Materials And Methods:
A total of 413 Osseotite implants (Implant Innovations) were placed in 142 patients (completely or partially edentulous) in five dental offices exclusively devoted to implants. The average age of the patients was 58.3 years. Of the 413 implants, 191 were placed in the maxilla and 222 in the mandible; 271 (65.6%) were posterior implants and 142 (34.4%) were anterior implants. Clinical and radiographic evaluations were made after completion of the prosthetic restoration, after 6 months of loading, at 1 year, and at 3 years.
Results:
A cumulative success rate of 95.3% was obtained after 3 years of prosthetic loading. The success rate was similar in both arches: 95.1% in the maxilla and 96.8% in the mandible. Early failures (before prosthetic loading) were greater (n = 12) than late failures (n = 2). After 3 years of prosthetic loading, the marginal bone level of 385 (93.2%) implants were evaluated radiographically. Bone level was at the first thread for 91.4% of the implants. A slightly increased loss was observed around 26 implants (6.7%). Including survival implants, the cumulative implant success rate after 3 years was 96%. A success rate of 98.4% was obtained with 187 short implants (8, 5 and 10 mm) reported in this multicenter evaluation.
Conclusion:
This multicenter evaluation demonstrates excellent predictability for Osseotite implants.
