Eleven tips to treat white spots on teeth

Fluorosis can leave pale markings when teeth develop during childhood. Enamel development defects can also affect the appearance of teeth. A different cause is demineralisation: enamel loses minerals and may look chalky, sometimes around braces where plaque is difficult to remove.

A photograph alone cannot tell you which cause applies. New, changing or sensitive spots should be assessed by a dentist.

Book an examination before choosing a cosmetic treatment. The dentist will check whether a spot reflects active decay, an enamel defect or a stable cosmetic change. Protecting the tooth comes before changing its appearance.

Brush for around two minutes twice a day, including before bed. Fluoride helps protect enamel and can support the reversal of early mineral loss. It does not grow back missing enamel.

Spit out excess toothpaste rather than rinsing immediately with water. This keeps fluoride on your teeth for longer. If you use mouthwash, use it at a different time.

Use floss or interdental brushes as advised by your dental team. Cleaning around brackets and wires is especially important during orthodontic treatment. Ask for a demonstration if access is difficult.

Repeated exposure to sugar allows plaque bacteria to produce acid that removes minerals from enamel. Keep sugary foods and drinks to mealtimes where possible rather than grazing throughout the day.

Your dentist may recommend a fluoride treatment or a tailored preventive plan for early mineral loss. Whether the colour changes depends on the cause and depth of the spot; stronger enamel does not always mean a spot disappears.

This professional technique removes a very thin surface layer of enamel to improve suitable superficial markings. It is not appropriate for every spot and should only follow assessment.

A dentist may consider resin infiltration for selected white-spot lesions. It can make some spots blend more closely with surrounding enamel. Results vary, and availability should be discussed with your treating dentist.

Whitening changes tooth colour but does not treat decay. It may change how obvious a spot looks and can cause sensitivity. Have your teeth and gums checked before considering it; avoid starting a whitening routine to cover an unexplained new spot.

Composite bonding or veneers may disguise persistent markings in suitable cases. Discuss less invasive options first, along with maintenance, replacement and any tooth preparation involved.

Attend the review appointments your dentist recommends. Report new spots, sensitivity or surface changes. For children, ask about age-appropriate toothpaste amounts and supervise brushing to reduce swallowing.

A treatment plan should address the cause of the spots as well as your goals for your smile.