A branch of dentistry concerned with preventing and treating malocclusion. The procedures are usually performed while teeth are developing and still relatively manoeuvrable, but can also be of benefit in adulthood.
An orthodontist may first make models of the teeth (see impression, dental) and take X-rays of the head and jaws. Certain teeth, often premolars, may be extracted to make room for the remaining teeth. Poorly positioned teeth are then moved by gentle pressure exerted by orthodontic appliances.
Orthodontics is the branch of dentistry concerned with the prevention and treatment of dental irregularities and malocclusion.
n. the branch of dentistry concerned with the growth and development of the face and jaws and the treatment of irregularities of the teeth. See orthodontic appliance. —orthodontic adj.
In dentistry, a mould (using a rubber or alginate compound) of the teeth and gums from which a plaster-of-Paris model is prepared. This model provides a base on which to construct a denture, bridge or dental inlay. A similar process is used in ORTHODONTICS to make dental appliances to correct abnormalities in the positioning of teeth.... impression
n. a condition in which there is an abnormal arrangement of the teeth or discrepancy in the relationship of the jaws that results in a misalignment when the teeth meet. It is usually treated by orthodontics. If jaw discrepancy is severe, it may require *orthognathic surgery.... malocclusion
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