If you’re reluctant to smile because of discoloured teeth, help is at hand. Teeth whitening treatments are now more affordable and widely available, as Steven Hastings explains
Clean teeth without the bleach
Rinse your mouth after eating strongly coloured food.
Stop smoking. Nicotine stains teeth yellow.
See your dentist for a scale and polish, costing about pound;20.
Use an electric toothbrush. Floss daily.
Whitening toothpastes may make a difference over time.
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