What a Root Canal is and How to Avoid Getting One

Regular dental visits help prevent cavities and also lets the dentist catch cavities when they are very small. If cavities get too deep the  treatment is more expensive  and more invasive. For adults deep cavities sometime need a root canal and for child this procedure is called a pulpotomy.

http://www.canyonridgepediatricdentistry.com/blog/preventing-and-treating-deep-cavities-for-kids/