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A Journal on Dentistry and Maxillofacial Surgery
Minerva Stomatologica 2007 October;56(10):481-95
language: English, Italian
Implant supported prostheses with Bone System® implant system: a retrospective study with follow-up period up to 13-years about 1021 fixtures
Carbone M. 1, Goss E. 2, Borione M. 3, Bava L. 4, Broccoletti R. 1, Carrozzo M. 1, Gandolfo S. 1
1 Oral Medicine Unit, Department of Biomedical Sciences and Human Oncology School of Medicine and Dentistry University of Turin, Turin, Italy
2 Private Practice, Turin, Italy
3 Private Practice, Venaria, Italy
4 Private Practice, Chieri, Italy
Aim. To analyze the data collected in 13 years of clinical controls in patients with oral rehabilitation on Bone System® dental implant systems and to evaluate the success, failure and complications in daily implant dentistry, without strict inclusion criteria, in order to define the success or survival or failure of dental implants.
Methods. A total of 477 patients (231 men and 246 women) received dental implants for oral rehabilitation in 3 different private dental offices in Piedmont, Italy. A total of 1 021 fixtures were implanted from 1992 to 2004; patients were followed up for a maximum of 13 years. Surgery was performed by the same operator using the same dental implant system (Bone System, Italy), with manufacturer modifications and improvements to the system as it evolved during the study period. Treatment planning and oral reconstruction on the inserted implants were carried out by 3 different specialists in prosthesis dentistry and 4 dental laboratory technicians. In the follow-up period, clinical success was defined as the degree of patient satisfaction and as the survival of restorations on dental implants.
Results. The survival rate of the fixtures was 95.9%; the clinical effectiveness was 92.8%; the failure rate was 4.1%. Complications included peri-implantitis, implant fractures and technical complications related to implant components and prostheses. Long-term implant survival and clinical success were not influenced by anatomic site (maxilla or mandible).
Conclusion. Dental implant therapy is a viable option for oral rehabilitation; if correctly managed, it may provide predictable results.