How to Prevent Cavities in Children
Cavities are one of the most common childhood dental issues — but the good news is that they’re highly preventable.
With healthy daily habits and gentle guidance, you can help your child develop strong teeth that last into adulthood.
What Causes Cavities?
Cavities form when bacteria in the mouth feed on sugars, producing acids that weaken the enamel. Over time, this process creates small holes on the tooth surface.
The good news? With consistent care and fluoride protection, these early stages can often be stopped or even reversed.
1. Brush Twice a Day
Daily brushing is your child’s first line of defense. Use a soft toothbrush and a small amount of fluoride toothpaste:
Children under 3: a smear the size of a grain of rice
Children 3 and up: a pea-sized amount
Make brushing a fun, family habit:
Let them choose their toothbrush
Play a song or use a timer
Brush together — kids learn by imitation
Tip: Consistency matters more than perfection.
2. Limit Sugary Snacks and Juices
Frequent snacking keeps sugar on the teeth longer, which fuels bacteria.
Instead of:
Continuous snacking throughout the day
Juice in water bottles
Sticky candies or gummies
Try offering:
Fresh fruit, cheese, or yogurt
Water as the main drink
It’s how often, not just how much, sugar is consumed that matters most.
3. Schedule Regular Dental Check-Ups
Dental visits every six months help keep your child’s smile healthy and confident.
During these visits, the dentist can:
Detect early signs of decay
Clean hard-to-reach areas
Offer personalized prevention tips
Regular visits also help children build comfort and trust in the dental chair.
4. Ask About Sealants and Fluoride Treatments
These gentle, preventive treatments give teeth extra protection:
Sealants form a thin shield over molars to block bacteria.
Fluoride strengthens enamel and helps stop early decay.
Both are quick, painless, and highly effective at preventing cavities.
Creating a Positive Dental Experience
Children thrive when they feel safe, supported, and proud of their progress.
At Clinique Dentaire Port-Royal, we take the time to explain each step in calm, simple language and celebrate every small victory.
The goal isn’t perfection — it’s confidence and lifelong healthy habits.
You’re Not Alone
We’re here to guide and support your family at every stage.
Together, we can help your child develop habits that protect their smile — now and for years to come.