Normal fillings seen in an X-ray. (Shutterstock)
http://www.newser.com/story/227586/new-fillings-can-repair-teeth-from-the-inside.html
Normal fillings seen in an X-ray. (Shutterstock)
http://www.newser.com/story/227586/new-fillings-can-repair-teeth-from-the-inside.html