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1 Zeszyty Naukowe Katedry Mechaniki Stosowanej / Politechnika Śląska

1 2006

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Comparative strength analysis of alternative types of autogenous bone graft methods in mandibular reconstruction

Kromka M., Milewski G.

Zeszyty Naukowe Katedry Mechaniki Stosowanej / Politechnika Śląska

2006

z. 26

197-202

The proper osteointegration between transplant and mandibular bones in method of autogenous bone graft, among others, depends on a size of the removed bone part in the mandible as well as on a type of the free bone graft used for reconstruction. In the paper three different types of grafting bone material taken from hip, rib and tibia, for two sizes of the removed part of mandible, have been compared. Titanic macroplate was used as a stabilizing element. The strain and stress fields in both mandibular bones and grafts have been determined for all considered cases. Numerical model of mandible used in the strength analysis was built with the regards to the anatomical features including basic muscle groups of stomatognathic system, mobility of temporal-mandibular joint, volume representing alveodental ligament and alternative isotropic or orthotropic bone material properties.