Abstract
ObjectiveThis in vitro study evaluated the effect of calcium glycerophosphate (CaGP) supplemented to soft drinks on bovine enamel erosion. Material and methodsFour pH-cycles were performed, alternating demineralization by the beverage and remineralization in artificial saliva. ResultsMean wear (±SD, µm) was 7.91±1.13, 7.39±1.01, 7.50±0.91 and 5.21±1.08 for Coca-ColaTM without CaGP or containing CaGP at 0.1, 1.0 or 2.0 mM, respectively, while no wear was detected for CaGP at 5.0 and 10.0 mM. Corresponding figures for Sprite ZeroTM without CaGP or containing CaGP at 0.1, 1.0, 2.0, 5.0 or 10.0 mM were 8.04±1.30, 7.84±0.71, 7.47±0.80, 4.96±0.81, 3.99±0.10 and 1.87±0.12, respectively.ConclusionSupplementation of both beverages with CaGP seems to be an alternative to reduce their erosive potential.
Highlights
In the last decades, a reduction in caries prevalence has been observed[15]
Considering that calcium glycerophosphate (CaGP) contains both calcium and phosphate, the aim of the present study was to evaluate if the supplementation of Coca-ColaTM and 6SULWH =HURTM with different concentrations of CaGP would be able to reduce the erosive potential of these soft drinks
Enamel samples with mean microhardness of 354 KHN (±10%) were randomly distributed into 12 groups (n=20 per group), which differed according to the type of soft drink tested (Coca-ColaTM or Sprite =HURTM) and in respect to the concentration of CaGP added to these soft drinks (0, 0.1, 1.0, 2.0, 5.0 or 10.0 mM)
Summary
A reduction in caries prevalence has been observed[15]. teeth are maintained for a longer time in the oral cavity, which turns them more susceptible to the development of other kinds of lesions, such as erosion. In order to reduce the erosive potential of soft drinks, it has been proposed to supplement them with ions that are relevant for the formation of hydroxyapatite, such as calcium, phosphate DQG ÀXRULGH2,6,8. It has been reported that calcium glycerophosphate (CaGP) reduces the acid dissolution of enamel[7] This has led to its addition into toothpastes which improved their cariostatic effects[5,14]. To the best of our knowledge, there is no information in the literature regarding the supplementation of soft drinks with CaGP aiming to reduce their erosive potential. Considering that CaGP contains both calcium and phosphate, the aim of the present study was to evaluate if the supplementation of Coca-ColaTM and 6SULWH =HURTM with different concentrations of CaGP would be able to reduce the erosive potential of these soft drinks
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