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International Journal of Implant Dentistry
Published in: International Journal of Implant Dentistry 1/2020

Open Access 01-12-2020 | Orthopantomogram | Research

A fixed reconstruction of fully edentulous patients with immediate function using an apically tapered implant design: a retrospective clinical study

Authors: Mehmet Akif Eskan, Gokhan Uzel, Seyit Yilmaz

Published in: International Journal of Implant Dentistry | Issue 1/2020

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Abstract

Background

Immediate function has become an accepted treatment modality for fixed restorations in completely edentulous jaws. It is known that implant microtopography (surface) may enhance osseointegration, while implant macrotopography (macrodesign) plays an important role in primary stability in the patient requiring an immediate loading. The aim of this retrospective study was to evaluate the clinical and radiographic outcomes of the edentulous subjects treated with narrow and/or regular diameter, which placed and loaded immediately.

Methods

Forty-two consecutive patients received 171 implants, including regular and narrow diameter implants (NDIs). Each jaw, 19 mandibles and 24 maxillae, was treated with a fixed-full arch prosthesis according to the Straumann® Pro Arch concept. The majority (95%) of the restorations were supported by four implants, of which the posterior two implants were tilted. A provisional functional acrylic prosthesis was delivered on the day of surgery. All patients were followed up to 55 months. Cumulative survival rate was determined using Kaplan-Meier analysis. Radiological measurement of marginal bone level was performed.

Results

The overall follow-up time for survival rate was up to 55 months. Four implants (3 implants in maxilla, 1 implant in mandible) were lost, resulting in an overall cumulative implant survival rate of 97.7%. Implant survival rate in the axial and tilted implants was not statistically significant. The mean of interproximal marginal bone loss was 0.15 mm after 24 months. Good soft tissue health was observed in almost 99% of patients. The final prosthesis survival rate was 100%.

Conclusions

The results of this retrospective pilot study indicated that total edentulous patients requiring an immediate implant placement and loading can be successfully treated with this implant design. The improved mechanical properties of these implants might give a more conservative treatment option for the jaws showing a severe horizontal alveolar bone resorption.
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Metadata
Title
A fixed reconstruction of fully edentulous patients with immediate function using an apically tapered implant design: a retrospective clinical study
Authors
Mehmet Akif Eskan
Gokhan Uzel
Seyit Yilmaz
Publication date
01-12-2020
Publisher
Springer Berlin Heidelberg
Published in
International Journal of Implant Dentistry / Issue 1/2020
Electronic ISSN: 2198-4034
DOI
https://doi.org/10.1186/s40729-020-00271-1

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