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

Gianmarco Saponaro, Giulio Gasparini, Alessandro Moro, Edoardo Staderini, Roberto Boniello, Giuseppe D'Amato, Sandro Pelo

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

6 Citazioni (Scopus)

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.
Lingua originaleEnglish
pagine (da-a)385-391
Numero di pagine7
RivistaCHILD'S NERVOUS SYSTEM
Volume36
DOI
Stato di pubblicazionePubblicato - 2020

Keywords

  • 3D imaging
  • CAD-CAM
  • Computer-assisted surgery
  • Facial asymmetry

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