An orthodontist is a specialist type of dentist who treats irregularities of the teeth and jaws in order to improve their appearance. If you have misaligned teeth, overcrowding (too many teeth) or a poorly functioning jaw then orthodontic treatment can help. An orthodontist is also instrumental in correcting the teeth and jaws in babies born with cleft lips or cleft palates.

Diagnoses of these irregularities are usually made by taking X-rays and by having the patient bite down onto a mold to determine the specific alignment of his or her teeth. Correction methods might include braces, retainers or other special devices to realign or guide incoming teeth. In severe malocclusions, an orthodontist may have to break the jaw bones and wire the jaw shut so that it heals better aligned

A person may seek the services of an orthodontist for cosmetic reasons as well as health reasons. Beside the insecurity and low self esteem that dental irregularities may cause, they can also affect a person's ability to chew and speak.