| orthodontic appliance design | The planning, calculation, and creation of an apparatus for the purpose of correcting the placement or straightening of teeth. (12 Dec 1998) |
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| edgewise appliance | A fixed, multibanded orthodontic appliance using an attachment bracket the slot of which receives a rectangular archwire horizontally, which gives precise control of tooth movement in all three planes of space. (05 Mar 2000) |
| extraoral fracture appliance | A device used for extraoral reduction and fixation of maxillary or mandibular fractures, in which pins, clamps, or screws interjoined with metal or acrylic connectors are used to align the fractured segments. See: external pin fixation. (05 Mar 2000) |
| universal appliance | A combination of the edgewise and ribbon arch appliance techniques, affording precise control of individual teeth in all planes of space. (05 Mar 2000) |
| fixed appliance | <dentistry> Any orthodontic component that is cemented or bonded to the teeth. (08 Jan 1998) |
| labiolingual appliance | An orthodontic appliance that consists of a maxillary labial arch wire and a mandibular lingual arch wire. (05 Mar 2000) |
| light wire appliance | An orthodontic appliance utilizing small gauge labial wires with expansion and contraction loops formed into it and attached to bands fitted to individual teeth; sometimes called Begg light wire differential force technique. (05 Mar 2000) |