The Journal of Nihon University School of Dentistry
Online ISSN : 1884-2984
Print ISSN : 0029-0432
ISSN-L : 0029-0432
Fresh Autogenous Rib Cartilage Graft to the Malar Process of Rats with and without Removal of the Perichondrium : A Histological Study
Silas de TULIOTetsuo OKAMOTOMario Francisco Real GABRIELLI
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1992 年 34 巻 1 号 p. 8-15

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A comparison was made of autogenous grafts of rib cartilage with and without removal of the perichondrium, applied to the malar process of rats. Seventy-two male albino rats were divided into two groups according to the kind of graft received by each animal. The experimental periods were 5, 10, 20, 30, 60 and 120 postoperative days. The results showed that, in the control group, the grafts maintained their vitality for the whole experimental period and the perichondrium was biologically integrated into the host bed. Appositional growth was also observed. The treated animals showed intense resorption of the grafts and more intense bone neoformation. The newly formed bone was in intimate contact with the graft in both groups.
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