It may be a concern for you that too many x-rays are taken so you end up glowing in the dark. In dentistry, the most common radiographs are of very low radiation dose. Some dentists don't even bother to leave the room when they're taken.
Root canal! This word is associated with feelings of anxiety among many people. It shouldn't though! I've had a root canal before and I was falling asleep during the procedures! After a root canal, the tooth should feel perfectly normal within a couple of months.
You probably already know what I'm going to say. No! That is the point of getting regular check ups with the dentist.