Dentistry meaning in tamil

What is the simple definition of dentistry?
dentistry, the profession concerned with the prevention and treatment of oral disease, including diseases of the teeth and supporting structures and diseases of the soft tissues of the mouth..
Dentistry is very physically demanding, although many people would probably not think so.
Doing precise and tedious work in a tiny area with your hands and having your eyes focused on a small area through loupes for long periods of time are reasons why dentistry is demanding physically.

What is the simple definition of dentistry?