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Long-term stability of osseointegrated implants in augmented bone: a 5-year prospective study in partially edentulous
Daniel Buser1, Sigurgísli Ingimarsson, Karl Dula
1Department of Oral Surgery and Stomatology, School of Dental Medicine, University of Berne, Switzerland. daniel.buser@zmk.unibe.ch
Abstract:
This prospective clinical study evaluated the 5-year survival and success rates of 66 titanium implants placed in bone that had been previously augmented with autografts and nonresorbable barrier membranes. During the observation period, three patients with five implants dropped out of the study. None of the remaining 61 implants were lost during the follow-up period (implant survival rate of 100%). One implant exhibited a periimplant infection, whereas 60 implants were considered clinically successful at the 5-year examination, resulting in a 5-year success rate of 98.3%. It can be concluded that the clinical results of implants in regenerated bone are comparable to those of implants in nonregenerated bone.