Stomatologiia 1996-01-01

[The characteristics of the contact area of an endoprosthesis made from Ostek graphite-based material and of the mandibular bone fragment].

A S Grigor'ian, F Kh Nabiev, Z P Antipova, A V Ianushevskiĭ, P A Zolkin, T K Khamraev

Index: Stomatologiia. (Mosk.) 75(2) , 4-8, (1996)

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Abstract

Interactions between endoprostheses made of carbonic composition "Ostec" and bone tissue were studied after plastic repair of experimental vast defects in the mandible in 22 rabbits and 10 dogs over the course of 2 years. Histologic findings showed the formation of a layer of fibrous connective tissue 3 months after the operation and later; at some places the implant directly joins the rabbit bone, which frequently undergoes chondroid transformation. Microscopically, the structure of "Ostec" represents carbonic threads forming large bundles. By the 6th and 12th months of experiment connective tissue elements penetrate the fissures between the bundles and the perforation gaps of the endoprosthesis, forming bone-like and bone structures in them.

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