Caries inhibiting and remineralizing effect of xylitol in vitro.

Bennett T Amaechi, S. M. Higham, W. M. Edgar

Research output: Contribution to journalArticle

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Abstract

This study aimed to determine the effect of xylitol on the development and remineralization of caries in vitro, and to compare this effect with that of fluoride alone and in combination. Two experiments were devised. In experiment 1, bovine incisors were each sectioned into 4 portions which were randomly assigned to 4 demineralizing agents: A) acidic buffer (x), B) x + 0.5 ppm fluoride, C) x + 20% xylitol, and D) x + 20% xylitol + 0.5 ppm fluoride. Caries-like lesions were produced in specimens. In experiment 2, carious lesions were produced in teeth. Five lesion-bearing slabs were cut from each tooth. While one was reserved as control (UN), others were randomly assigned to 4 remineralizing agents: 1) artificial saliva (y), 2) y + 0.05 ppm fluoride, (3) y + 20% xylitol, and 4) y + 20% xylitol + 0.05 ppm fluoride. Mineral loss (delta Z) and lesion depth (ld) were quantified after 4-week remineralization. In experiment 1, numerical values of delta Z and ld observed can be ranked as A > C > B > D. These differences were significant only in B and D when compared with A for delta Z, but not between any group for ld. In experiment 2, the numerical values of delta Z and ld for control UN (unremineralized) and remineralized groups (1-4) ranked as UN > 3 > 4 > 1 > 2. Compared with UN, this difference was significant in all groups with ld, but not in any group with delta Z. We concluded that tolerable levels of xylitol alone may not show a significant caries inhibiting and remineralizing effect, but may act as a caries inhibitor additively with fluoride.

Original languageEnglish (US)
Pages (from-to)71-76
Number of pages6
JournalJournal of oral science
Volume41
Issue number2
StatePublished - 1999
Externally publishedYes

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Xylitol
Fluorides
Tooth
Artificial Saliva
Incisor
Minerals
In Vitro Techniques
Buffers

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Caries inhibiting and remineralizing effect of xylitol in vitro. / Amaechi, Bennett T; Higham, S. M.; Edgar, W. M.

In: Journal of oral science, Vol. 41, No. 2, 1999, p. 71-76.

Research output: Contribution to journalArticle

Amaechi, Bennett T ; Higham, S. M. ; Edgar, W. M. / Caries inhibiting and remineralizing effect of xylitol in vitro. In: Journal of oral science. 1999 ; Vol. 41, No. 2. pp. 71-76.
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