ENAMEL SURFACE PROTECTION BY TAP-WATER SOLUTIONS OF STANNOUS FLUORIDE,
Abstract
The ability of stannous fluoride solutions of varying concentration made up in tap water to decrease enamel solubility was tested on 540 extracted human molars. No deleterious effect at tributable to aging of test solutions was noted at any time in the 8-week test period. Conversely, protective ability tended to increase with age, this being particularly true during the first few hours after mixing. At these intervals this protective performance was negatively correlated with the pH of the solution. The pH of tap-water solutions was consistently lower than in equally aged preparations made up in distilled water further purified in an ion-exchange column. This lower pH was held to enhance the uptake of tin by enamel and thus to account for the higher protection provided by the tap-water solutions. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Feb 01, 1964
- Accession Number
- AD0433136
Entities
People
- Ira L. Shannon
- Thomas R. Dirksen
Organizations
- United States Air Force School of Aerospace Medicine