You may, if you answer yes to one or more of these questions:
Are you aware of grinding or clenching your teeth?
Do you wake up with sore, stiff muscles around your jaws?
Do you have frequent headaches or neck aches?
Does the pain get worse when you clench your teeth?
Does stress make your clenching and pain worse?
Does your jaw click, pop, grate, catch, or lock when you open your mouth?
Is it difficult or painful to open your mouth, eat or yawn?
Have you ever injured your neck, head or jaws?
Have you had problems (such as arthritis) with other joints?
Do you have teeth that no longer touch when you bite?
Do your teeth meet differently from time to time?
Is it hard for you to use your front teeth to bite or tear food?
Are your teeth sensitive, loose, broken or worn?