Improvement of an additively manufactured sub-periostal jaw implant in edentulus maxila by fe models of maxillary bone

  1. M. Preciado 1
  2. J. Calaf 1
  3. Pedro Miguel Bravo 1
  4. Ricardo Perera 2
  5. Alberto Carnicero 3
  1. 1 Grupo de Ciencia e Ingeniería de Materiales. Escuela Politécnica Superior. Universidad de Burgos
  2. 2 Grupo de Simulación numérica de Fenómenos Naturales E.T.S.Ingenieros Industriales. UPM
  3. 3 Escuela Técnica Superior de Ingeniería. Universidad Pontificia de Comillas
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Journal:
Revista española de mecánica de la fractura

ISSN: 2792-4246

Year of publication: 2022

Issue: 4

Pages: 15-20

Type: Article

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Abstract

Subperiostal implants are placed externally to the maxillary bone and offer a treatment option for edentulous patients. Bone resorption and the condition of the patient's bones are common problems in this type of intervention. Modelling is an effective tool to test different alternatives adapted to each patient, to ensure the success of the implant. In this study, the maxilla and a subperiostal implant with six fastening points were modelled with the ANSYS software, paying special attention to the characteristics of the bone. Cortical and trabecular bone have been differentiated and several anchor positions of the fasteners, as well as diameters, have been studied. The tensions produced under different loads that simulate chewing have been evaluated to obtain a result that avoids overload.

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