Dental surgery, sometimes referred to as oral surgery, involves several areas of specialization, generally referring to aspects of the face, such as the mouth, teeth, and jaws. Educational preparation for this type of work often begins with a basis in science and work in a laboratory.

A Doctor of Medicine is a highly advanced degree that requires about six years of work. Many M.D. programs require a combination of classwork, research papers, and hands-on clinical practice to certify students as medical doctors.