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Journal of Dental Research, Vol 58, 511-515, Copyright © 1979 by International & American Associations for Dental Research Online Journals

ARTICLES

Cell production in the normal and lathyrogenic rat periodontal ligament (PDL)

Y. Michaeli, G. Zajicek and I. Ginio

Thirty male albino rats weighing 200 g. each were separated into two groups. 15 rats received 0.2% 3-amino propionitrile fumarate (BAPN) in drinking water. 15 rats served as controls. Within three weeks eruption rate diminished by 50%. On the 22nd experimental day each rat received one dose of 1 microCi/g. body weight tritiated thymidine (1.9 Ci/mM). 5 rats of each group were then killed after 1 hour; 1 week and 2 weeks. The PDL cell migration rate was evaluated autoradiographically. It diminishes proportionally with the eruption rate. In the BAPN treated animals, the mean total periodontal ligament (PDL) cell count is 55.5% higher than that of the control.




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