What could cause buzzing sound in ear and pain in the wisdom tooth?

Infection?: Possible that the wisdom tooth is infected and may need treatment or extraction. The nerve sensation for that tooth enter the skull just in front and deep to the ear. It is common to have referred pain/issues from a wisdom tooth. You may also have an inner ear infection in combo or by its self. Have it checked out by a dentist for the wisdom tooth.

Wisdom tooth: Yur wisdom tooth might be infected.You should see a dentist.