Quick answer
Cavities happen when teeth meet sugar often, brushing and flossing miss spots, and fluoride is low. Smart snacks, twice-daily brushing, and fluoride toothpaste cover most of prevention — this guide explains the five causes and the foods that help.
Tooth decay can be avoided by eating smart snacks! These foods help keep your smile shiny and strong!
Tooth-Friendly Snacks
Whole grain bread
Unsweetened whole grain cereal
Rice, rice cakes
Plain yogurt
Fresh fruits (like apples, bananas, berries!)
Plain popcorn
Cheese & string cheese
Nuts & seeds
Meat & jerky
Sugar-free gum (ask your grown-up first!)
Eggs
Fresh veggies (carrots, cucumbers, bell peppers!)
Uh-oh! Watch Out for These Sneaky Snacks
These snacks are sticky, sugary, or just hang out in your mouth too long—yikes!
Snacks to Avoid Between Meals:
Dried fruits & raisins
Sticky candy (taffy, gummies)
Cookies, pastries, sweet breads
Chewy granola bars, fruit roll-ups
Fruits in syrup
Pre-sweetened cereals
Crackers & chips (yep, they’re sneaky too!)
Juices, soda, sports drinks, energy drinks
Pro Tip: Sticky snacks = sticky teeth = happy bacteria = cavities!
Why Do Cavities Happen?
1. Too Much Snacking
Snacking all day gives bacteria more time to make acid that attacks your teeth. Try to eat meals and limit snacks to just once or twice between meals.
2. Not Brushing & Flossing Right
Plaque (that sticky stuff on your teeth) loves to party and cause cavities!
Brush 2x a day (after breakfast + before bed) and floss once a day.
3. Sugary, Sticky Snacks
Sticky snacks stay on your teeth way too long. Natural, crunchy foods (like apples!) clean your teeth while you chew.
4. Sipping Sweet Drinks
Juices, sodas, and sports drinks are loaded with sugar and acid. Yikes!
5. Not Enough Fluoride
Fluoride is your tooth’s superhero—it helps make enamel super strong!
You can get fluoride from:
- Tap water
- Fluoride toothpaste
- Mouth rinses (ask your dentist!)
Best Drinks for Your Teeth:
- Water
- Plain milk
- Unsweetened tea
Your Mission: Protect Your Smile!
- Stick to regular mealtimes
- Brush after breakfast & before bed
- Don’t forget to floss!
- Drink lots of water
- Visit your dentist regularly
Ready to book a first visit?
On this page
Carolynn Vuong Shultz DMD, MS
Book a first visit
New patients welcome — first visits are paced around your child.
Book onlineSouth Berkeley · (510) 848-6494North Berkeley · (510) 528-1546Orinda · (925) 253-8190This guide is general information for parents, not dental advice for a specific child. If you're worried about your child's teeth, call us.
.avif)
