Orthodontist is a speciality of dentistry for diagnosing, prevention and correction of crooked, malaligned, irregular /abnormally placed teeth. According to the American Association of Orthodontics, nearly 50% of population requires such correction to maintain good hygiene, good gum health, for maintaining integrity of teeth and for esthetics. Patients with mild to severe malocclusion can benefit from Orthodontic treatment. Orthodontist can also modify the growth of jaws with the use of functional appliance.