extraoral appliance

extraoral appliance
an orthodontic appliance using a resistance unit outside of the oral cavity; see under anchorage.

Medical dictionary. 2011.

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  • appliance — A device used to improve function of a part, or for therapeutic purposes. [fr, O. Fr. aplier, to apply, fr. L. applico, to fold together] craniofacial a. a device used to immobilize and/or reduce mandibular or midfacial fractures. SEE ALSO …   Medical dictionary

  • extraoral — Outside of the oral cavity; external to the oral cavity. In its usual use it also includes anything external to the lips and cheeks. * * * ex·tra·oral ȯr əl, ōr əl, är əl adj situated or occurring outside the mouth <an extraoral abscess>… …   Medical dictionary

  • headgear — A removable extraoral appliance used as a source of traction to apply force to the teeth and jaws. * * * n. (in dentistry) a strap that is fixed round the back of the head and/or the neck and attached to an orthodontic appliance to aid tooth… …   Medical dictionary

  • cap — 1. Any anatomic structure that resembles a c. or cover. 2. A protective covering for an incomplete tooth. 3. Colloquialism for restoration of the coronal part of a natural tooth by means of an artificial crown. 4. The nucleotide structure found… …   Medical dictionary

  • cervical gear — an extraoral appliance by means of which the back of the neck is used for anchorage or as a base of traction in effecting tooth movement …   Medical dictionary

  • face-bow — A caliper like device used to record the relationship of the jaws to the temporomandibular joints; the record may then be used to orient a cast or model of the maxilla to the opening and closing axis of the articulator. SYN …   Medical dictionary

  • chincap — chin·cap (chinґkap) an extraoral orthodontic appliance consisting of a caplike device fitted over the chin, which is connected to the headgear by elastics for the purpose of exerting upward and backward force on the mandible in the treatment of… …   Medical dictionary

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