The main advantage of orthodontic treatment is enhancement of physical function, improvement of esthetic components and avoidance of tissue damage. If the malocclusion is left untreated it will result in an increase in the incidence of dental caries, also affects periodontal health, and causes temporomandibular joint disturbances and severe psychological problems. Orthodontics is that branch of dentistry concerned with the prevention, interception, and correction of malocclusion and other abnormalities of the dento-facial region. Orthodontics is also related with facial growth and the development of the dentition and occlusion.