Biomechanical three-dimensional finite-element analysis of maxillary prostheses with implants. Design of number and position of implants for maxillary prostheses after hemimaxillectomy

International Journal of Oral and Maxillofacial Surgery
S MiyamotoG-Y Yamane

Abstract

The present study analyzed stress distributions in craniofacial structures around implant-supported maxillary prostheses. Using post-hemimaxillectomy computed tomography (CT) of a patient, the authors constructed a three-dimensional (3D) solid model using Digital Imaging and Communications in Medicine data (DICOM data) for maxillofacial and cranial bones. The effects of different prosthesis designs on stress distributions in craniofacial bones and osseous tissues around the implants were biomechanically investigated using 3D finite-element analysis. Maxillary prostheses were designed with 2 implants in the zygoma on the affected side and 2-3 implants in the maxillary alveolar bone on the unaffected side, without using a cantilever. Zygomatic implants provided suitable stress dispersal to the zygomatic and craniofacial bones on the affected side. This information is useful for designing maxillary prostheses.

References

May 1, 1995·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·B Martin
Jul 1, 1996·Head & Neck·A B KornblithJ C Holland
Jun 19, 2001·The Journal of Prosthetic Dentistry·J P GengG R Liu
Sep 3, 2005·Clinical Implant Dentistry and Related Research·Roberto Calandriello, Massimiliano Tomatis
Dec 13, 2005·Clinical Implant Dentistry and Related Research·Ameen Khraisat
May 23, 2007·International Journal of Oral and Maxillofacial Surgery·K UjigawaG-Y Yamane

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Citations

Dec 10, 2013·The Journal of Prosthetic Dentistry·Hailin WenWeidong Tian
May 7, 2013·Oral and Maxillofacial Surgery Clinics of North America·Luis G VegaRui P Fernandes
Jan 26, 2013·International Journal of Oral and Maxillofacial Surgery·M FreedmanL F A Stassen
Mar 10, 2015·International Journal of Oral and Maxillofacial Surgery·M FreedmanL F A Stassen
Sep 25, 2016·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Christian MertensMichael Engel
Oct 5, 2017·Oral and Maxillofacial Surgery·Muñoz RubenSperanza Grace
Jul 19, 2017·Implant Dentistry·Süleyman KamanIsmail Doruk Kocyigit
Aug 12, 2014·The Journal of Oral Implantology·Eli E MachteiJacob Horwitz
Oct 31, 2020·PloS One·Regina Furbino VillefortSandra Lúcia Ventorim von Zeidler
Jan 18, 2021·The Journal of Prosthetic Dentistry·Sarah Kay Youny LeeOlivia Muller

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