Medicare Part B pays for services furnished by a doctor of dental surgery or dental medicine within the scope of his or her license, if the services would be covered as physicians' services when performed by a doctor of medicine or osteopathy.
For services furnished before July 1, 1981, Medicare Part B paid only for the following services of a doctor of dental surgery or dental medicine;
Surgery on the jaw or any adjoining structure; and
Reduction of a fracture of the jaw or other facial bone.
42 C.F.R. §410.24