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Soft drinks and in vitro dental erosion
General Dentistry
|July 7, 2015
Summary
Diet and zero-calorie carbonated drinks cause significant dental erosion, more so than sugared versions. Tooth erosion is linked to drink acidity and type, not calcium or phosphate content.
Area of Science:
- Dentistry
- Biomaterials Science
- Food Science
Background:
- Dental erosion is a significant clinical concern.
- Carbonated soft drinks are widely consumed and their erosive potential is a public health issue.
Purpose of the Study:
- To quantify the in vitro dental erosion caused by various carbonated soft drinks.
- To investigate the relationship between beverage properties (pH, titratable acid, sweetener type) and enamel erosion.
Main Methods:
- Extracted human molars were exposed to different carbonated beverages for 20 days.
- Tooth weight loss was measured to determine enamel erosion.
- Statistical analysis (ANOVA, Scheffe testing) was performed on the data.
Main Results:
- Enamel erosion varied from 3.22% to 44.52% across experimental groups.
- Non-sugared (diet/zero-calorie) drinks were significantly more erosive than sugared beverages.
- Erosion correlated positively with titratable acid and negatively with pH; no correlation with calcium/phosphate.
Conclusions:
- Dental erosion from carbonated drinks depends on pH, titratable acid content, and sweetener type (diet/zero-calorie).
- Diet and zero-calorie soft drinks pose a higher risk for dental erosion compared to sugared options.
