AI Insight
A preliminary study examined how different beverages affect mouth acidity and found that unsweetened sparkling water causes only a temporary, minor decrease in salivary pH that quickly returns to normal levels. In contrast, sugary soda produced the most significant and prolonged drop in pH. Crucially, the acidity from sparkling water remained above the threshold known to cause tooth enamel erosion.
Why it matters
This research suggests that unsweetened sparkling water is a safer alternative to soda for dental health, potentially helping people reduce sugar intake without risking enamel damage. The findings could inform public health recommendations about beverage choices for maintaining oral health.
Understand the Science
Unsweetened sparkling water may offer a tooth-friendlier alternative to sugary soda, according to a small preliminary study tracking how different drinks change mouth acidity. Soda caused the strongest and longest drop in salivary pH, while sparkling water produced only a temporary decline before saliva restored normal conditions. Importantly, acidity remained above the level associated with enamel damage.
Source: Scientists reveal what sparkling water really does to your teeth