Best fluoride toothpaste for every age — strength, amount and how to choose in the UAE

Key facts

• Fluoride is the most important toothpaste ingredient
• Adults and children over 7: 1,350–1,500 ppm
• Under 3: rice-grain smear; 3+: pea-sized amount
• Spit, don’t rinse, after brushing
• High-fluoride pastes only when a dentist prescribes

Why fluoride is the key ingredient

Fluoride strengthens enamel and helps repair the earliest stage of tooth decay, when acid has softened the surface but no cavity has formed yet. Each time you brush, a small amount of fluoride stays on the teeth and in saliva, making enamel more resistant to the acids produced by plaque bacteria after sugary food and drinks. This is why brushing twice daily with fluoride toothpaste is the foundation of decay prevention recommended by dental bodies worldwide. Other features such as whitening agents, flavours or natural extracts may be pleasant, but they do not replace fluoride. When comparing toothpastes, look first for the fluoride content printed on the tube.

Fluoride strength by age

Fluoride content is shown on the tube in parts per million (ppm). As general guidance followed by many dental organisations, children under three can use a toothpaste with at least 1,000 ppm in a tiny smear, children from three to six about 1,000 to 1,450 ppm in a pea-sized amount, and children over seven and adults 1,350 to 1,500 ppm. Low-fluoride ‘kids’ pastes below 1,000 ppm offer less protection and are not usually recommended. People with high decay risk, dry mouth, exposed roots or many fillings may be prescribed a high-fluoride toothpaste of 2,800 or 5,000 ppm by a dentist. These stronger pastes are for prescribed use only.

How much toothpaste to use and how to brush

More toothpaste does not mean more protection. For children under three, use a smear the size of a grain of rice; from three years, a pea-sized amount; and for adults, a pea-sized to small strip is enough. Brush for two minutes twice a day, including last thing at night, covering every surface and the gum line. The most important habit is to spit out the excess toothpaste but not rinse with water afterwards, so fluoride stays on the teeth longer. If you use a mouthwash, choose a different time of day rather than straight after brushing. Supervise children’s brushing until about seven or eight years old.

Choosing toothpaste in UAE pharmacies

When you pick a toothpaste in a UAE pharmacy or supermarket, check the fluoride level in ppm and the ingredient list for sodium fluoride, stannous fluoride or sodium monofluorophosphate. Many ‘natural’, herbal and charcoal pastes contain little or no fluoride, and some charcoal products can be abrasive. If you have sensitive teeth, a sensitivity toothpaste that also contains fluoride can help over a few weeks. Whitening toothpastes mainly remove surface stains and do not change natural tooth colour. Arabic and English labels may list fluoride differently, so ask the pharmacist if unsure. Price and brand are less important than fluoride strength and daily use.

Is fluoride safe, and when to see a dentist

Used as directed, fluoride toothpaste is safe for children and adults. The main precaution for young children is to use the correct small amount and supervise them so they spit rather than swallow, which reduces the risk of mild white marks on developing teeth. Keep toothpaste out of reach of toddlers. If your child has frequent cavities, if you notice white chalky spots, brown areas or sensitivity, or if you have dry mouth from medicines, book a check-up. At Manhal Medical Center, Dr. Fariba Alnoory can assess your decay risk and advise on professional fluoride varnish, fissure sealants for children, or a prescription-strength toothpaste where it is appropriate.

Sealants are thin protective coatings that fill the grooves of back teeth where decay often starts. Fluoride varnish strengthens enamel and helps reverse early decay.

Prepared by the Manhal Medical Center editorial team · Updated: 2026-10-18 · Treating specialist: Dr. Fariba Alnoory

This page is general information and does not replace a consultation. Suitability, risks and results vary between patients.