I can relate. I have a serious fear of going to the dentist. Just remember they won't take your BP at the dentist so that may calm you some. Also I know it's hard to tell someone with a serious phobia to "just relax" But in your case your nervouseness will make your blood pressure worse. Take you meds and try to relax the best you can. I had alot of dental work last year and it was very difficult for me to go through, but I got through it because I know it is for my own well being and health. Just remember that. Also, do you actually have high blood pressure, or is it mainly from your nerves? If it is a little high remember to eat healtly, fruits, vegtables, excercise, drink plenty of water. That should help, good luck.