A brighter smile is tempting, but not all whitening is safe. Professional whitening by a dental professional is generally safe and effective. Some DIY hacks and unregulated products can damage enamel and gums.
Imagine trying a viral trend: brushing with lemon juice and baking soda every day. After a few weeks your teeth are sensitive to cold and look slightly see-through at the edges. The acid has worn away enamel, and enamel doesn’t grow back.
Safe options
- Professional whitening by a dentist, either in the clinic or with custom trays at home
- Whitening toothpastes, which remove surface stains but don’t change natural tooth colour much
- Professional cleaning to remove stains from tea, coffee and tobacco
What to avoid
- Acidic DIY methods such as lemon juice or vinegar
- Abrasive powders such as charcoal used often
- Unregulated products bought online that may contain unsafe levels of bleach
- Treatment by untrained providers, which is illegal in some countries
But who should see a dentist first?
Everyone, ideally, because whitening won’t work on fillings, crowns or veneers, and decay or gum disease should be treated first. Common side effects include tooth sensitivity and gum irritation, which usually settle. Whitening isn’t recommended during pregnancy or for children.
Your next step: Before trying any whitening product, book a dental check and ask which option suits your teeth. Drinking tea and coffee through a straw also helps reduce new stains.
Sources: American Dental Association (MouthHealthy), Oral Health Foundation, UK General Dental Council, NHS (Teeth whitening). This guide is for general information and does not replace advice from your own dentist or doctor.
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