Students who want to specialize in dentistry may consider an endodontics program. This field is dedicated to the study and care of dental pulp tissue and includes advanced techniques for root canals and other procedures to diagnose and treat tooth pain.

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.