What common beverage can lead to enamel erosion over time?

Soda is the common beverage that can lead to enamel erosion over time due to its high levels of acidity and sugar. The acidic nature of soda, which often contains carbonic and phosphoric acids, can lower the pH level in the mouth, leading to an environment where enamel can begin to dissolve. This erosion occurs because enamel is a mineral that can be weakened by an acidic environment. Furthermore, the sugars in soda can contribute to the growth of bacteria that produce additional acid as they metabolize these sugars, creating a cycle that promotes enamel wear.

In contrast, milk and water are not associated with enamel erosion. Milk is actually beneficial for dental health because it contains calcium and phosphates that can help strengthen enamel. Water, particularly fluoridated water, helps wash away food particles and bacteria, while also providing fluoride that strengthens teeth. Tea can vary; some herbal teas have neutral pH, but certain types like black tea may stain teeth. However, it is generally much less of a concern for enamel erosion when compared to the acidity found in sodas.