A New Acid Abrasion Procedure for Studying F Profiles in Demineralized/Remineralized Bovine Tooth Enamel

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Abstract
Remineralization pattens and F- profiles in remineralized bovine enamel subjected to prior demineralization were studied using a new acid-abrasion procedure. These data were then compared to those obtained from the perchloric acid-etch procedure and the data obtained by the previously reported abrasion (without acid) procedure. All 3 of the procedures (i.e., acid-abrasion, abrasion and acid-etch) gave reasonably close F- profiles, remineralization patterns and cumulative 45Ca/F- ratios in the enamel samples remineralized at a pKFAP [bulk solution activity product] of 108. The newly developed acid-abrasion procedure is much more satisfactory than the relatively tedious abrasion (without acid) method, especially when enamel analyzed up to depths as great as 50-100 .mu.m are involved.

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