Answer:
Dentistry is the only speciality that deals with that organ of the body which can be naturally moved- THE TOOTH!
The teeth with its supporting tissues is SO UNIQUE in its structural organization and function that it requires SPECIALIZATION right from the bachelor degree.
Every single clinical case has to be treated as a whole, ITS NOT JUST THE TEETH!
The ORAL CAVITY IS THE GATEWAY OF THE BODY, SO FOR DISEASES! Hence oral cavity examination can lead to early detection of several types of medical problems and the dentist with such kinds of observational skill and talent may guide such patients to receive a proper medical care from a registered medical practitioner.
Due to the use of advanced techniques, instruments and materials dental treatment is becoming COSTLY day by day. Obviously advent of more sophistication will take dentistry to still a higher level.
In most of the developed countries of the world, DENTISTS are found to have the highest pay compared to other medical practitioners.
ULTIMATELY ITS ALL UPON THE CLINICIAN TO MAKE IT TRULY DIFFERENT!