Growth of the mandible after fifth cranial nerve neurotmesis
Miceli, John S.
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To assess the contribution of the neural input of the fifth cranial nerve on growth of the mandible, two groups of ten 5 day old albino rats were subjected to unilateral neurotmesis. In one group the masseteric muscles was denervated while in another group the inferior alveolar nerve was resected. A histologic examination was made of the masseteric muscle to document the extent of denervation. The mandibles in each of these groups were compared anatomically and anthropometrically with their respective sham operated animals and with one non-operated control group. Tetracycline was administered to study the growth pattern at maturity. Ten weeks post-op the findings showed a mandibular deviation to the affected side after resection of the masseteric nerve. Gross and histologic evidence of atrophy of the masseteric muscle was observed. In addition the results showed a significant difference in various linear dimensions of the mandible in both experimental groups.
PLEASE NOTE: This work is protected by copyright. Downloading is restricted to the BU community: please click Download and log in with a valid BU account to access. If you are the author of this work and would like to make it publicly available, please contact email@example.com.Thesis (M.Sc.D.)--Boston University School of Graduate Dentistry, 1974. Orthodontics.Bibliography included.
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