New dental treatment 'may replace fillings'
16 June 2014 Last updated at 12:14 BST
Researchers at King's College London have developed a new treatment that could potentially end the need for dentists' drills, needles and fillings.
Nigel Pitts, professor of King's College London's Dental Institute, explained that Electrically Accelerated and Enhanced Remineralisation (EAER) encourages teeth to repair themselves.
First broadcast on BBC Radio 4's Today programme on Monday 16 June.