Orthodontics is a branch of dentistry that specializes in treating patients with poor teeth positioning when the mouth is closed (malocclusion), which results in an incorrect bite.

Orthodontics also includes the treatment and control of various aspects of facial growth (dentofacial orthopedics) and the shape and development of the jaw. An orthodontic specialist is called an orthodontist.

Orthodontics used to be called orthodontics - the word comes from the Greek orthos, which means "straight, perfect, or appropriate," and Dontos, which means "teeth."

Orthodontics also includes cosmetic dentistry; when the patient's goal is to improve his / her appearance.