How have you been doing ?   I can ’ t sleep or eat . I have a really bad pain in my tooth !   How long have you had this toothache ?   It bothers me off and on , but it ’ s gotten much worse these past few weeks .   Is there anything that you ’ Ve done to your tooth that might have caused the pain ?   My girlfriend told me that I grind my teeth a lot when I sleep . Maybe that is the problem .   When you brush your teeth , what do you use ? 