What Is a Root Canal? A root canal is a treatment used to repair and save a tooth that is badly decayed or infected. A tooth's nerve and pulp can become irritated, inflamed, and infected due to deep ...

Scanning electron microscope image of wormlike structures 'growing' from dental tubules deep inside a molar. Image courtesy of University of Maryland, Baltimore. Inside a human tooth, more than 50,000 ...

You’ve been craving your favourite drink all day, and when you finally take your first sip, a jolt of pain shoots through your mouth. Ouch! Your mouth has been sensitive lately, and you don’t know why ...