Tips to overcome dental anxiety:
Talk to your dentist - they can help.
Many dentists use verbal conscious sedation to help with fear and anxiety.
Avoid caffeine and sugar before the dentist makes an appointment; they may keep you in a hurry.
Make dental appointments before you get stressed or in a hurry.
Focus on relaxation; in the process, breathe more often and slowly.
Tell the dentist with a gesture when you are not feeling well.