I have had 4 root canals done by D. Mann over the past few years. She is so good and uses a microscope to locate the canals. My former dentist 20 years ago used to do them himself and they became infected and ultimately had to be redone or I lost teeth. If only I had been referred to Dr. Mann I would have had more of my original teeth and less dental anxiety!! There is a reason dental specialists are called specialists because they know what they are doing!!! Thanks so much again !!!!