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Child's Nervous System

Published in:

01-02-2020 | Original Article

Custom made onlay implants in peek in maxillofacial surgery: a volumetric study

Authors: G. Saponaro, P. Doneddu, G. Gasparini, Edoardo Staderini, R. Boniello, M. Todaro, G. D’Amato, S. Pelo, A. Moro

Published in: Child's Nervous System | Issue 2/2020

Abstract

Purpose

Facially malformed patients often present a variable degree of facial imbalance even after basal bone correction, and resolution of the residual hard- and soft-tissue deficiencies and asymmetries of the face are of great importance for achieving a satisfactory post-implant procedure result. The use of polyether ether ketone (PEEK) implants for maxillofacial reconstruction has been documented in the literature, but the number of patients who have received them is limited. The aim of this study was to evaluate the overall volumetric results in patients with facial imbalance after onlay custom implant positioning for mandible and fronto-orbital reconstructions. Analysis was performed by confronting volumes with the use of three-dimensional (3D) photogrammetry.

Methods

Fifteen patients were eligible for PEEK implant placements, eight for mandibular angle reconstruction, and seven for fronto-orbital reconstruction. Pre- and post-surgical 3D images of each patient’s face were acquired. Facial asymmetry was analyzed by comparing each face with its mirrored copy.

Results

Three-dimensional analyses have shown that some degree of volume imbalance was still present in the patients with only 1.32 ± 1.02 mm residual discrepancy after treatment.

Conclusion

Results of the study were found to fall within clinically acceptable limits since an asymmetry rate of < 3 mm is considered to fall into the norm.

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Title: Custom made onlay implants in peek in maxillofacial surgery: a volumetric study
Authors: G. Saponaro
P. Doneddu
G. Gasparini
Edoardo Staderini
R. Boniello
M. Todaro
G. D’Amato
S. Pelo
A. Moro
Publication date: 01-02-2020
Publisher: Springer Berlin Heidelberg
Published in: Child's Nervous System / Issue 2/2020
Print ISSN: 0256-7040
Electronic ISSN: 1433-0350
DOI: https://doi.org/10.1007/s00381-019-04307-9

At a glance: The STEP trials

Springer Medicine

Custom made onlay implants in peek in maxillofacial surgery: a volumetric study

Abstract

Purpose

Methods

Results

Conclusion

At a glance: The STEP trials

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusion

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