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Use of an Intra-oral Model to Evaluate 0.05% Sodium Fluoride Mouthrinse in Radiation-induced Hyposalivation
C. Meyerowitz
Department of Clinical Dentistry, University of Rochester, Rochester, New York 14642, Department of Oral Biology, Eastman Dental Center, Rochester, New York 14620, Rochester Cariology Center, University of Rochester/Eastman Dental Center
J.D.B. Featherstone
Department of Oral Biology, Eastman Dental Center, Rochester, New York 14620, Rochester Cariology Center, University of Rochester/Eastman Dental Center
R.J. Billings
Department of Oral Biology, Eastman Dental Center, Rochester, New York 14620, Rochester Cariology Center, University of Rochester/Eastman Dental Center
A.D. Eisenberg
Department of Oral Biology, Eastman Dental Center, Rochester, New York 14620, Rochester Cariology Center, University of Rochester/Eastman Dental Center
J. Fu
Department of Oral Biology, Eastman Dental Center, Rochester, New York 14620, Rochester Cariology Center, University of Rochester/Eastman Dental Center
M. Shariati
Department of Oral Biology, Eastman Dental Center, Rochester, New York 14620, Rochester Cariology Center, University of Rochester/Eastman Dental Center
D.T. Zero
Department of Oral Biology, Eastman Dental Center, Rochester, New York 14620, Rochester Cariology Center, University of Rochester/Eastman Dental Center
The present study was undertaken to evaluate the effect of a twice-daily topical application of a 0.05% NaF mouthrinse on de- and remineralization in the oral cavities of subjects suffering from radiation-induced hyposalivation. Six subjects each wore a bonded intra-oral appliance containing a sound and a demineralized human enamel slab for four weeks. During that period, the subjects used 0.05% NaF rinses, twice daily, instead of the 1.1% NaF gel that had previously been a part of their preventive regimen. Salivary flow rates, plaque pH profiles following a 10% sucrose rinse, S. mutans and lactobacillus counts, fluoride clearance, and enamel microhardness were determined during the study. Sound enamel samples displayed no evidence of demineralization, and the previously demineralized enamel showed remineralization in the outer 50 µm in three of the six subjects. The results suggest that a twice-daily oral rinse with 0.05% NaF can prevent demineralization and enhance remineralization in subjects with radiation-induced hyposalivation.
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Journal of Dental Research, Vol. 70, No. 5,
894-898 (1991)
DOI: 10.1177/00220345910700050601
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