The time course of the specific activity of 45Ca in the dentin and enamel of rat incisors and molars was followed after an intravenous injection of the radiotracer. It was then correlated with the specific activity of 45Ca in plasma to obtain the accretion rates on the dentin of molars and incisors. The exchangeable calcium pool sizes in the dentin and the enamel of the molar were also calculated.
Get full access to this article
View all access options for this article.
References
1.
Bauer, G.C.H. ; Carlsson, A.; and Lindqvist, B.: Metabolic and Homeostatic Function of Bone , in Comar, C.L., and Bronner F. (eds) : Mineral Metabolism, Vol 1, New York: Academic Press, Inc., 1961, pp 609-676.
2.
Heaney, R.P. , and Whedon, D.: Radio-calcium Studies of Bone Formation Rate in Human Metabolic Disease, J Clin Endocrinol Metab18: 1246-1267, 1958.
3.
Alonso, G.L. ; Tumilasci, O.R.; and Nikonov, J.M.; Improvement of a Direct Colorimetric Method for Calcium Determination, Clin Chim Acta27: 549-551, 1970.
4.
Alonso, G.L. ; Tumilasci, O.R.; Echepare, O.M.; and Garbini, E.T.: Kinetics of Calcium Metabolism: II. 45Ca Kinetic Study in Rat Skeletons, Acta Physiol Lat Am24: 8-13, 1974.
5.
Manly, R.S., and Hodge, H.C.: Density and Refractive Index Studies of Dental Hard Tissues, J Dent Res18: 133-141, 1939.
6.
Aubert, J.P., and Milhaud, G.: Méthode de mesure des principales voies du metabolisme calcique chez l'homme , Biochim Biophys Acta39: 122-139, 1960.
7.
Alonso, G.L.; Nikonov, J.M.; Mestorino, R.J.; and Calvi, R.: Kinetics of Calcium Metabolism, Acta Physiol Lat Am15 : 333-342, 1965.
8.
Bauer, G.C.H.; Carlsson, A.; and Lindqvist, B.: Evaluation of Accretion, Resorption and Exchange Reactions in the Skeleton , K fysiogr Sällsk Lund Forh25: 1-16, 1955.
9.
Schour, I., and Massler, M.: The Teeth, in Griffith, J.Q., and Farms, E.J. (eds) : The Rat in Laboratory Investigation, Philadelphia : J. B. Lippincott Co., 1942, pp 102-163.
10.
Amdur, B.H.: Intraoral Reactions of Salivary Calcium, in Schneyer, L.H., and Schneyer, C.A. (eds) : Secretory Mechanisms of Salivary Glands, New York: Academic Press, Inc., 1967, pp 365-373.
