You may need to have an Injection. Normally they will numb your gums before giving the shot to further numb the area so that you will not feel any pain during the dental process. Tell your dentist ahead of time that you have a fear of injections. They deal with this all the time. By letting them know they are then able to take it slower to help relive any fairs. You may also want to just cover you eyes. In this case what you can’t see may help you.