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.
Researchers say in lab studies it took just four weeks to restore teeth back to their original healthy state. The gel contains melanocyte-stimulating hormone, or MSH.
Read more: http://www.dailymail.co.uk/health/article-1297850/Gel-help-decayed-teeth-grow-end-fillings.html#ixzz0uvn5HDHp