Finite element analysis of different surgical approaches in various occlusal loading locations for zygomatic implant placement for the treatment of atrophic maxillae

International Journal of Oral and Maxillofacial Surgery
Muhammad Ikman IshakN H Abu Kasim

Abstract

The aim of this study was to compare two different types of surgical approaches, intrasinus and extramaxillary, for the placement of zygomatic implants to treat atrophic maxillae. A computational finite element simulation was used to analyze the strength of implant anchorage for both approaches in various occlusal loading locations. Three-dimensional models of the craniofacial structures surrounding a region of interest, soft tissue and framework were developed using computed tomography image datasets. The implants were modelled using computer-aided design software. The bone was assumed to be linear isotropic with a stiffness of 13.4 GPa, and the implants were assumed to be made of titanium with a stiffness of 110 GPa. Masseter forces of 300 N were applied at the zygomatic arch, and occlusal loads of 150 N were applied vertically onto the framework surface at different locations. The intrasinus approach demonstrated more satisfactory results and could be a viable treatment option. The extramaxillary approach could also be recommended as a reasonable treatment option, provided some improvements are made to address the cantilever effects seen with that approach.

References

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Citations

Jan 27, 2016·Revue de stomatologie, de chirurgie maxillo-faciale et de chirurgie orale·P H de MoraesJ de Albergaría Barbosa
Jul 19, 2017·Implant Dentistry·Süleyman KamanIsmail Doruk Kocyigit
Apr 16, 2020·Clinical Implant Dentistry and Related Research·Funda GokerFrancesco Grecchi
Jul 10, 2014·The Journal of Craniofacial Surgery·Jian SongGe Feng
Jul 7, 2015·Vestnik otorinolaringologii·S V SergeevV V Smogunov
Jul 15, 2020·Materials·Magdalena Lisiak-MyszkeBarbara Drogoszewska
May 28, 2021·Clinical and Experimental Dental Research·Julio Tobar-ReyesJuan Carvajal-Herrera

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