Smile Fluoride and sealants: protecting your child's teeth
Fluoride strengthens enamel and sealants cover the grooves of back teeth. Together with brushing twice a day and less sugar, they help prevent cavities in children.
How fluoride helps
Fluoride makes tooth enamel more resistant to acid from plaque and can help repair early damage. The main source for most children is fluoride toothpaste. A dentist can also apply fluoride varnish to teeth.
Toothpaste for children
- Start brushing as soon as the first tooth appears.
- Use a smear of fluoride toothpaste for babies and toddlers, and a pea-sized amount for children aged about 3 and over, as advised by your dentist or local guidance.
- Help young children brush and make sure they spit rather than swallow the toothpaste.
- Brush twice a day, including before bed.
What are dental sealants?
Sealants are thin protective coatings painted onto the chewing surfaces of back teeth, where decay often starts in the deep grooves. They are quick, painless and can help protect teeth for years, though they need to be checked at dental visits.
Other ways to prevent cavities
- Limit sugary drinks and snacks, and avoid putting a baby to bed with a bottle of milk or juice.
- Take children for regular dental check-ups from an early age.
- Learn the early signs of cavities.
Quick answers
At what age should a child first see a dentist?
Most guidance recommends starting dental visits when the first teeth appear, or by the first birthday.
Are sealants safe?
Yes. Sealants are widely recommended as a safe way to help prevent cavities in back teeth.
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