I have been to 4 dentist in 3 months. I have a front tooth that was root canaled 35 years ago. It was OK, but has occasional inflammation, but not hurting. Wanted to change my crowns in front. I read about toxic teeth and to maybe get them pulled and get a bridge. 3 dentist said the root canal tooth looks great on x rays..hum..1 dentist decided to do a deeper x ray and said there was some infection at the root tip. She asked her asst for some gutta percha.Upon her continuing to exam my tooth I told her it felt flatter but fuller all of a sudden for some reason. She said ”yes, I just draine ...   read more