- an appliance used to move teeth as part of orthodontic treatment. A fixed appliance is fitted to the teeth by stainless steel bands or brackets that hold a special archwire, to perform complex tooth movements; it is used by dentists with specialist training (orthodontists). A removable appliance is a dental plate with appropriate retainers and springs to perform simple tooth movements; it is removed from the mouth for cleaning by the patient.
* * *a device, either fixed to the teeth or removable, that applies force to the teeth and their supporting structures to produce changes in their relationship to each other and to control their growth and development. Used in orthodontic therapy to move the teeth into esthetically or physiologically better positions, such as better alignment within the dental arch or with the opposing dentition. Called also braces.
Medical dictionary. 2011.
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