What is a specialist?

Answer 1

1. One who is devoted to a particular occupation or branch of study or research: "Specialists . . . tend to think in grooves" (Elaine Morgan).
2. A physician whose practice is limited to a particular branch of medicine or surgery, especially one who is certified by a board of physicians: a specialist in oncology.
3. Any of several noncommissioned ranks in the U.S. Army that correspond to that of corporal through sergeant first class

Answer 2

A dental specialist is someone who has gone through school to become a dentist, and then went on to more schooling for a specialty such as periodontics, endodontics, orthodontics, or surgery.