how long as in weeks or months does it take two whiten teeth
Q. How long as in weeks or months does it take 2 whiten teeth i no it depends on the colour they r now .also is it very expensive?
A.
Generally 10-14 days for a dentist supplied tray system costs (£3-400) or 1-2 hours lamp/ lazer systems used by dentists ( cost £5-600)
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