http://www.dailymail.co.uk/health/ar...-fillings.html

Looking for other sources on this but would be pretty cool

A gel that can help decayed teeth grow back in just weeks may mean an end to fillings.

The gel, which is being developed by scientists in France, works by prompting cells in teeth to start multiplying. They then form healthy new tooth tissue that gradually replaces what has been lost to decay.

Read more: http://www.dailymail.co.uk/health/ar...#ixzz0utTgW3RT