In situ remineralization of subsurface enamel lesion after the use of a fluoride chewing gum.

W. J. Lamb, R. E. Corpron, F. G. More, E. D. Beltran, D. S. Strachan, C. J. Kowalski

Research output: Contribution to journalArticlepeer-review

Abstract

In situ remineralization of early enamel lesions by a fluoride chewing gum was studied. Human enamel specimens with subsurface lesions were mounted in removable lower appliances for 6 adults. Subjects used a F-free dentifrice 3x/day and chewed five sticks/day for the F gum group (0.1 mg F/stick) or five sticks of sugarless gum. No gum was chewed for controls. Surface microhardness was performed on: (1) sound enamel; (2) lesions; (3) after intraoral exposure, and (4) after acid-resistance testing (ART). Separate specimens were etched and measured for F uptake and image analyses on microradiographs were performed for all regimens. delta Z values were calculated and converted to percent of mineralization. Values for F gum were significantly higher (p > 0.05) than non-F gum and controls for ART, percent remineralization, and F uptake up to 70 microns depth.

Original languageEnglish (US)
Pages (from-to)111-116
Number of pages6
JournalCaries research
Volume27
Issue number2
DOIs
StatePublished - 1993

ASJC Scopus subject areas

  • Dentistry(all)

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