The term 'Tooth Doctor' is a common name for a Dentist, which is a 7 letter job description. A Dentist is a medical professional who specializes in the diagnosis, prevention, and treatment of diseases and conditions of the oral cavity. They are responsible for providing preventive care, such as regular cleanings, and restorative care, such as fillings and root canals. They also provide cosmetic services, such as teeth whitening and veneers. Dentists are highly trained professionals who must complete an accredited dental school program and pass a licensing exam in order to practice.