Sparkling Water & Your Teeth

Sparkling water is a popular choice for anyone who wants that bubbly refreshment without all the sugar and calories of soda. But one question comes up repeatedly in our dental chair:

“Is fizzy water bad for my teeth?”

The honest answer? It’s much better than fizzy drinks such as Coca-Cola  but it’s not completely harmless. 

Still Water: Your Smile’s Best Friend

• No sugar, no acid: Plain water is completely neutral for your teeth, it won’t harm enamel.
• Rinses your mouth: Every sip helps wash away leftover food and bacteria.
• Extra protection: If your tap water has fluoride, it helps strengthen enamel and prevent cavities.
• Great for gums too: Staying hydrated keeps your gums healthy.

So… What About Sparkling Water?

• Plain sparkling water: A little more acidic than still water, but far less damaging than soda.
• Flavoured sparkling waters: Many have added citric acid or sweeteners, which can increase enamel wear.
• Best way to drink it: Have it with meals, when your saliva is already working to protect your teeth.

When carbon dioxide is added to water to make it fizzy, it forms a weak acid called carbonic acid.

• This mild acidity can temporarily soften enamel. Enamel is the outer protective shell of your teeth.
• If you sip it often throughout the day, it can slowly wear down enamel, leading to sensitivity and a higher risk of cavities.

How to Enjoy Sparkling Water Safely

1. Don’t sip all day: Treat it like a special drink instead of an all-day habit.
2. Pair it with food: Chewing boosts saliva flow, which helps neutralise acids.
3. Wait before brushing: Give enamel 30 minutes to recover before picking up your toothbrush.
4. Rinse after: A quick swish with plain water helps wash away lingering acid.

Top Tip: If you already have sensitive teeth or thinning enamel, it’s worth chatting with your dentist about how much fizzy water is safe for you.