Category: Implantology

Autors: Duarte F., Marcelino T.

Reference: Dentistry (Ed. Port.) 2005; 5:20-23

Abstract: For the healthy patient, success rates of some implant systems have been reported to be 99% even after 15 years’ follow-up, at least if the implants are placed in favorable anatomical locations. The outcome can be very different for patients affected by systemic diseases or other compromising factors. Metabolic anomalies or immune deficiencies can give rise to surgical complications and may also interfere with bone apposition and/or remodeling at the implant-bone interface. Local factors such as therapeutic irradiation can markedly reduce cellularity and vascularity. Anatomic limitations must definitely be taken into account during the planning phase of oral rehabilitation by means of oral implants. Limited bone volume or an unfavorable relationship between the anchoring part and the prosthetic superstructures can be major determinants in the decision making of placing oral implants. In compromised patients, the success rate of endosseous implants can be low, sometimes rendering the use of implant-based treatment questionable.


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