Children
Should children use fluoride toothpaste?
20 August 2026 · The Dentist, Al Qusais, Dubai
The short answer
Yes, children should use fluoride toothpaste from the moment their first tooth appears, but the amount matters more than the fact of using it. Under age 3, use a smear the size of a grain of rice. From 3 to 6, use a pea-sized amount and supervise spitting rather than swallowing. Fluoride strengthens enamel and cuts cavity risk significantly, and the small amounts used in children's toothpaste are safe when applied correctly.
Why fluoride actually helps baby teeth
Fluoride works by getting into the outer layer of enamel and making it more resistant to the acid that bacteria produce after sugar and starch. Baby teeth have thinner enamel than adult teeth, so they're more vulnerable to that acid attack. A twice-daily brush with fluoride toothpaste gives the enamel a steady, low-dose top-up that non-fluoride toothpaste simply can't match.
Some parents worry that baby teeth don't matter because they'll fall out anyway. They matter a lot. Decay in baby teeth causes pain, can spread to the nerve, and can affect the position and health of the adult teeth coming in underneath. Untreated decay in a four-year-old is not a small problem, it's a dental visit that could have been avoided.
How much toothpaste, by age
The concentration on the tube matters less to most parents than the amount squeezed onto the brush, so here's the practical version. From the first tooth up to age 3, use a smear, literally the size of a grain of rice, smoothed thinly over the brush head. From age 3 to 6, move up to a pea-sized amount. After 6, most children can manage a standard adult amount, though supervision on brushing technique often still helps until around age 8.
The reason for the small amounts isn't that fluoride toothpaste is dangerous. It's that young children swallow a fair bit of what's on the brush, and swallowing too much fluoride repeatedly during the years teeth are forming under the gum can cause mild white flecking on the adult teeth, known as fluorosis. It's a cosmetic issue, not a health one, but it's easily avoided by watching the amount and encouraging spitting rather than swishing and swallowing. Brushing itself should still happen twice a day, morning and before bed, ideally with an adult doing it or watching closely until the child has the coordination to do a thorough job alone, usually around age 7 or 8.
When to bring a child in for a check
Book a first dental visit around the time the first tooth appears, or by their first birthday at the latest, even if nothing looks wrong. It lets a dentist check enamel development, show you the right brushing technique for that specific child's mouth, and catch anything early while it's still a small fix rather than a filling. Signs that warrant a sooner visit include white or brown spots on the teeth, visible pits, a tooth that looks chipped or discoloured, or a child complaining of sensitivity to cold or sweet food.
If you're in Dubai and your child hasn't had a first dental check yet, The Dentist in Al Qusais offers a free first checkup for new patients, and Dr. Faris Alkhanafseh or Dr. Mohammad Nour can talk you through the right fluoride routine for your child's age at that visit. You can book through WhatsApp or online at thedentist.ae/book, with appointments running Monday to Saturday.
This article is general information, not a diagnosis. If you are in Dubai, the free first checkup at our Al Qusais clinic is the fastest way to get an answer about your own teeth.