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Calcium-Based Additives Reduce Soft Drink Erosion, Protect Enamel and Dentin, suggests study

According to a new study, solutions containing calcium lactate (CLP) significantly reduced the erosive potential of soft drinks, especially when combined with LPP or TMP, offering enhanced protection for dentin. Notably, LPP alone was effective in minimizing erosion of both enamel and dentin. These findings suggest clinical benefits of this strategy for high-risk individuals prone to erosive tooth wear, particularly those less compliant with preventive measures.
A study was done to evaluate the erosive potential of a soft drink modified with film-forming polymers and calcium on bovine enamel and dentin. Sprite Zero Sugar was modified with linear sodium polyphosphate (LPP–10 g/L) and sodium trimetaphosphate (TMP-10 g/L), individually or combined with calcium lactate pentahydrate (CLP–4.35 g/L). Enamel and dentin specimens were randomly assigned into six groups (n = 10/substrate): 1. C− (negative control–no modification); 2. LPP; 3. TMP; 4. LPP+CLP; 5. TMP+CLP; 6. C+ (positive control–CLP). The specimens underwent an erosion-remineralization cycling. Surface loss (SL, in μm) was measured with an optical profilometer. Color and viscosity of the drinks were analyzed. Data were statistically analyzed (α=0.05). Results: For enamel and dentin, LPP significantly reduced the erosive effect of the drink compared to C- (p < 0.001 for both), with reductions of approximately 53 % and 41 %, respectively. TMP showed no significant difference from C− for both substrates. C+ reduced SL by 87 % in enamel and 38 % in dentin when compared to C− (p < 0.001). When CLP was combined with the polymers, in enamel, a 97 % reduction in SL for LPP+CLP and TMP+CLP was observed. In dentin, reductions of 56 % and 48 % were observed for LPP+CLP and TMP+CLP. No significant differences were observed between the groups and the C- regarding color and viscosity (p > 0.05). All solutions containing calcium lactate (CLP) were effective in reducing the erosive potential of the original soft drink. The combinations of CLP with LPP or TMP significantly enhanced protection, especially for dentin. Notably, LPP alone was effective in minimizing erosion of both enamel and dentin. Reducing the erosion potential of soft drinks may benefit non-collaborative individuals with high risk for erosive tooth wear.
Reference:
Cláudia Allegrini Kairalla, Milena Rodrigues Muniz, Letícia Oba Sakae, Fernando Neves Nogueira, Idalina Vieira Aoki, Juliano Pelim Pessan, Alessandra Bühler Borges, Taís Scaramucci. Reduction of the erosive potential of a soft drink with polymers and calcium,
Journal of Dentistry, Volume 161, 2025, 105935, ISSN 0300-5712, https://doi.org/10.1016/j.jdent.2025.105935.
(https://www.sciencedirect.com/science/article/pii/S0300571225003793)
Keywords:
Calcium-Based, Additives, Reduce, Soft, Drink, Erosion, Protect, Enamel, Dentin, suggests, study , Journal of Dentistry, Cláudia Allegrini Kairalla, Milena Rodrigues Muniz, Letícia Oba Sakae, Fernando Neves Nogueira, Idalina Vieira Aoki, Juliano Pelim Pessan, Alessandra Bühler Borges, Taís Scaramucci.
Dr. Shravani Dali has completed her BDS from Pravara institute of medical sciences, loni. Following which she extensively worked in the healthcare sector for 2+ years. She has been actively involved in writing blogs in field of health and wellness. Currently she is pursuing her Masters of public health-health administration from Tata institute of social sciences. She can be contacted at editorial@medicaldialogues.in.