A Retrospective Evaluation of a Treatment Protocol for Dental Implant Periapical Lesions: Long-term Results of 39 Implant Apicoectomies
Stephen F. Balshi, MBE / Glenn J. Wolfinger, DMD / Thomas J. Balshi, DDS
PMID: 17465352
Purpose: The goal of this study was to evaluate retrospectively the efficacy of a treatment modality for a lesion at the apical portion of a nonmobile dental implant. Materials and Methods: All patients were treated with an intraoral treatment approach. A flap was elevated facial to the effected implant site, exposing the bone. A carbide bur was used to open a window in the bone. The bur was then used to cut the implant and completely remove the affected portion of the implant. The surgical site was then closed with interrupted vicryl sutures, and patients were prescribed. Results: Thirty-nine implants in 35 patients with a mean age of 58.3 years were identified clinically and radiographically with the presence of a periapical lesion. These 39 implants, which constituted 9.9% of implants (39 of 395) placed in these 35 patients, were consecutively treated using the intraoral apicoectomy procedure. Thirty-eight of the 39 implants (97.4%) treated with this technique remained stable and continued in function with no further complication. Follow-up time averaged 4.54 years; the longest follow-up time exceeded 15 years. Conclusion: Based upon the results of this retrospective study, lesions in the apical region of implants can be treated successfully using an intraoral apicoectomy procedure. Int J Oral Maxillofac Implants 2007;22:267–272
Key words: complications, machined implants, osseointegration, overheating, periapical abscesses
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