@bcool123
Have you had recent dental work or viral illness? Do you know what triggered this and did you ever have this sensation before? Have you ever had shingles?

You may want to see a neurologist for testing and treatment options if it continues. It sounds like neuropathic itch. I get this on my hands.

Since it is your jaw and cheeks, it could be your trigeminal nerve is irritated. You may want to ask for MRI of head and neck to see if you have a compressed nerve.