Scientists Reveal What Sparkling Water Really Does to Your Teeth
Summary
A new study from Purdue University looked at how different drinks affect mouth acidity, which can wear down tooth enamel over time. The study found that unsweetened sparkling water causes a smaller and shorter increase in mouth acidity than sugary soda, suggesting it may be a safer choice for teeth when consumed in moderation.Key Facts
- Researchers tested saliva acidity after drinking sugar soda, unsweetened sparkling water, calcium-fortified sparkling water, and plain water.
- Soda caused the biggest and longest-lasting drop in mouth pH (more acidic), which can harm tooth enamel.
- Sparkling waters caused only a temporary acid increase, with levels returning close to normal within 20 minutes.
- Mouth acidity stayed above 5.5 for sparkling waters, a threshold below which enamel can start to dissolve.
- The study involved 20 adult participants drinking each beverage on separate occasions.
- Frequent sipping of acidic drinks can increase the risk of tooth erosion by not allowing the mouth’s natural balance to recover.
- Long-term dental effects depend on how often and how long teeth are exposed to these drinks, and whether they contain sugar.
- Experts advise that while sparkling water is less risky than soda, it is not completely harmless for teeth.
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