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How often should you visit the dentist?

鈥淏rush your teeth twice a day, visit your dentist twice a year鈥 makes for a catchy advertising slogan, but is there evidence supporting bi-annual check-ups? James Gallagher asks Janet Clarkson, professor of dentistry at the University of Dundee, who headed up a research trial to query our 6-monthly dental visits.

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5 minutes