The fluoride uptake by sound, acid-etched and artificial white spot lesions treated with sodium monofluorophosphate in dentifrice slurries, abrasive slurries, or calcium chloride solutions was determined. Fluoride uptake by sound enamel decreased in the presence of soluble calcium; however, uptake by etched and white spot enamel was greatly enhanced. The optimum Ca:MFP molar ratio was 0.5. Because fluorine-containing dentifrices probably inhibit dental caries by interaction with white spots or at the initial stage of acid-attack, the soluble calcium contained in saliva or a dentifrice might enhance the anti-caries effect of monofluorophosphate.
Get full access to this article
View all access options for this article.
References
1.
Hagen, A.R.: The State of Fluorine in Dentifrice Systems, Acta Odontol Scand30:167-186, 1972.
2.
Noren, B. and Harse, C.: The Stability of the Monofluorophosphate and Fluoride Ions in Dentifrice Containing Calcium Carbonate, J Soc Cosmet Chem25:3-11, 1974.
3.
Ericsson, Y. : Fluoride in Dentifrices. Investigations Using Radioactive Fluorine, Acta Odontol Scand19:41-77, 1961.
4.
Rowley, H.H. and Stuckey, J.E.: Preparation and Properties of Calcium Monofluorophosphate Dihydrate, J Am Chem Soc78:4262-4263, 1956 .
5.
Forward, G.C. : Action and Interaction of Fluoride in Dentifrices , Community Dent Oral Epidemiol8:257-266, 1980.
6.
Hefferren, J.J. ; Mellberg, J.R.; Zimmerman , M.; Rubin, A.M.; and Cosca, L.J.: Primary Bovine Teeth - An Interesting Substrate for Dental Studies, Abstr., 23rd ORCA Congr., Szeged, 1975.
7.
Zahradnik, R.T. and Moreno, E.C.: In vitro Enamel Demineralizations by Streptococcus mutans in the Presence of Salivary Pellicles, J Dent Res56:1107-1110, 1977.
8.
Cralley, L.V. ; Haff, L.V.; Hook , A.W.; Schneider, E.J.; Strauther, J.D.; Thompson, C.R.; and Weinstein , L.H.: Tentative Method of Analysis for Fluoride Content of the Atmosphere and Plant Tissues (Semi-automated) , Health Lab Science6:84-101, 1969.
9.
Mellberg, J.R. ; Laakso, P.V.; and Nicholson , C.R.: The Acquisition and Loss of Fluoride by Topically Fluoridated Tooth Enamel, Arch Oral Biol11:1213-1220, 1966.
10.
Ingram, G.S. : The Reaction of Monofluorophosphate with Apatite , Caries Res6:1-15, 1972.
11.
Ingram, G.S. : Some Factors Affecting the Interaction of Hydroxyapatite with Sodium Monofluorophosphate, Caries Res7:315-323, 1973.
