RADIOLOGICAL EVALUATION OF DENTAL IMPLANT TREATMENT SUCCESS RATE
Abstract:
Measurement of marginal bone is one of the most reliable criteria for establishing dental implant treatment success rate. If an implant is still in function but is not tested with respect of success criteria is considered as surviving. The aim of the present retrospective study was to evaluate long term treatment success with mandibular two-implant overdenture in fully edentulous patients by measuring the marginal bone loss on radiographs. Methods: Panoramic radiographs of 47 patients, three for each (after surgery, one week after implants loading and at 5-year follow-up) were analysed. Marginal bone loss was measured according to baseline, set at one week after implants loading. Results: 94 implants measured a marginal bone loss between 0.30 and 1.71 mm with a mean value of 0.73 (±0.19) mm, below the limit of 1.80 mm proposed according to different success criteria. Conclusions: All implants retrospectivelly evaluated are considered successful, despite of the type of retention system used for mandibular overdenture.
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