| face-bow | <dentistry, equipment> A wire caliper-like device used to record the relationship of the jaws to the temporomandibular joints. The resulting record can then be used to create a cast or model of the maxilla to the opening and closing axis of the articulator. They consists of two metal parts attached together. The inner part is shaped like a horseshoe and is inserted in the mouth and connects to the buccal tubes. The outer part has two curves which go around the face, and connect to the headgear. An elastic neck band is placed around the back of the neck and attaches to the outer bow of the headgear. Completing the apparatus is a plastic safety strap that is placed over the neck band and onto the outer bow of the headgear. Synonym: hinge-bow, kinematic face-bow. (21 Jun 2000) |
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| face-bow fork | <dentistry> That part of the face-bow assemblage used to attach the maxillary trial base to the face-bow proper. Synonym: bite fork. (05 Mar 2000) |
| face-bow record | <dentistry> A registration utilizing a face-bow of the position of the hinge axis and/or the condyles; the face-bow record is used to orient the maxillary cast to the opening and closing axis of the articulator. (05 Mar 2000) |
| facelift | <surgery> A surgical procedure designed to reduce the visible signs of aging in the face. Commonly referred to as a facelift. Recovery is typically 2-3 weeks duration. Synonym: rhytidectomy. (21 Jun 2000) |
| facet | 1. A little face; a small, plane surface; as, the facets of a diamond. Alternative forms: facette. 2. <anatomy> A smooth circumscribed surface; as, the articular facet of a bone. 3. The narrow plane surface between flutings of a column. 4. <entomology, zoology> One of the numerous small eyes which make up the compound eyes of insects and crustaceans. Origin: F. Facette, dim. Of face face. See Face. Source: Websters Dictionary (01 Mar 1998) |
| facet joints | The synovial joints between zygapophyses or articular processes of the vertebrae. Synonym: articulationes zygapophyseales, facet joints, interarticular joints, juncturae zygapophyseales. (05 Mar 2000) |
| facet of atlas for dens | A circular facet on the posterior (inner) surface of the anterior arch of the atlas which articulates with the dens of the axis. Synonym: fovea dentis atlantis, pit of atlas for dens. (05 Mar 2000) |
| facet rhizotomy | A percutaneous radio frequency lysis of the innervation of a facet. (05 Mar 2000) |
| facetectomy | Excision of a facet. Origin: facet + G. Ektome, excision (05 Mar 2000) |
| facial | Origin: L. Facialis from facies = face of or pertaining to the face. (18 Nov 1997) |
| facial angle | Any of several variously named and variously defined anatomical angle's that have been used to quantify facial protrusion, in dentistry, the angle formed by the intersection of the orbitomeatal (Frankfort) plane with the nasion-pogonion line (inner lower angle), which establishes the anteroposterior relation of the mandible to the upper face at the orbitomeatal plane. Synonym: Frankfort-mandibular incisor angle. (05 Mar 2000) |
| facial artery | <anatomy, artery> Origin, external carotid; branches, ascending palatine, tonsillar and glandular branches, submental, inferior labial, superior labial, masseteric, buccal, lateral nasal branches, and angular. Synonym: arteria facialis, arteria maxillaris externa, external maxillary artery. (05 Mar 2000) |
| facial asymmetry | Congenital or acquired asymmetry of the face. (12 Dec 1998) |
| facial axis | A line drawn from the subnasal point to the midpoint of the sphenoethmoidal suture. Synonym: facial axis. (05 Mar 2000) |
| facial bones | The facial skeleton, consisting of bones situated between the cranial base and the mandibular region. While some consider the facial bones to comprise the hyoid, palatine, and zygomatic bones, mandible, and maxilla, others include also the lacrimal and nasal bones, inferior nasal concha, and vomer but exclude the hyoid bone. (12 Dec 1998) |