Why you shouldn't 'scrub' your teethTo play this video you need to enable JavaScript in your browser.This video can not be playedWhy you shouldn't 'scrub' your teethCloseListen to the full episode on BBC Sounds.SubsectionHealthPublished8 MayShareclose panelShare pageCopy linkAbout sharingRelated topicsDentistryFollow Dentistryclose panelYou are now following DentistryUpdates from your News topics will appear in My News and in a collection on the News homepage.Read description