Custom made onlay implants in peek in maxillofacial surgery: a volumetric study.
3D imaging
CAD-CAM
Computer-assisted surgery
Facial asymmetry
Journal
Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery
ISSN: 1433-0350
Titre abrégé: Childs Nerv Syst
Pays: Germany
ID NLM: 8503227
Informations de publication
Date de publication:
02 2020
02 2020
Historique:
received:
15
03
2019
accepted:
10
07
2019
pubmed:
2
8
2019
medline:
22
6
2021
entrez:
2
8
2019
Statut:
ppublish
Résumé
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. 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. 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. 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.
Identifiants
pubmed: 31367783
doi: 10.1007/s00381-019-04307-9
pii: 10.1007/s00381-019-04307-9
doi:
Substances chimiques
Benzophenones
0
Ketones
0
Polymers
0
polyetheretherketone
31694-16-3
Polyethylene Glycols
3WJQ0SDW1A
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
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