When it comes to root canal, Root canals, on the other hand, don't have the best reputation for being a patient favorite when they first enter the clinic. The word "root" conjures up images of pain and suffering in their mind. This is completely incorrect. Many people are familiar with root canals as a consequence of previous experience, but they may not understand what they are or how they function. They may simply understand that if you have tooth discomfort, you could get a root canal as an option. So, when is a root canal required? What are some indications to look out for that may necessitate a visit to your Dentist Westminster for a checkup? We'll get to that straight now.