Uptake of 45Ca from a topically-applied monofluorophosphate sodium fluoride calcium hydroxide dentifrice by rat enamel
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L Aponte-Merced1, J M Navia, A Gaffar
1Institute of Dental Research, University of Alabama School of Dentistry, Birmingham 35294.
Archives of Oral Biology
|January 1, 1987
Abstract:
Relative 45Ca-uptake in vivo was determined by etchings after dentifrice application between 18 and 22 days of age; uptake increased and the Ca and P that dissolved decreased with application time. The mechanism of 45Ca-uptake from the dentifrice may be due to either isotopic exchange or to the precipitation or crystal growth of calcium and phosphate.