When i speak my tooth feels like it's vibrating.. same feeling as nails on a chalkboard! uhh! what is this?

Tooth movement: Teeth are anchored to the bone of the sockets with tiny elastic fibers that enable them to move slightly (physiologic tooth movement). Those fibers act as "shock absorbers." Typically, this movement is minimal. Any mobility in the teeth can be a sign of periodontal disease that has to be diagnosed and treated by your dentist.

See Dentist: May be fractured tooth or bone, infected root canal or gums. Your Dentist will have to examine you. Can't see, feel, evaluate occlusion, x-ray or test over the computer.

Anxiety see a PCP: Anxiety symptoms are not a sign of illness, they are the mind's ability to produce the "flight or fight" response which gives rise to many physiological changes include chest pains, teeth vibration, dry mouth, aphasia, tremor and sweating. Depending on the cause of your anxiety symptoms, your health care provider can recommend appropriate treatment.