| edge-to-edge occlusion | An occlusion in which the anterior teeth of both jaws meet along their incisal edges when the teeth are in centric occlusion. Synonym: edge-to-edge bite, end-to-end bite, end-to-end occlusion. (05 Mar 2000) |
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| torsive occlusion | A malposition of a tooth in which it is rotated on its long axis. Synonym: torsive occlusion, torsoclusion. (05 Mar 2000) |
| end-to-end occlusion | An occlusion in which the anterior teeth of both jaws meet along their incisal edges when the teeth are in centric occlusion. Synonym: edge-to-edge bite, end-to-end bite, end-to-end occlusion. (05 Mar 2000) |
| traumatic occlusion | A malocclusion capable of producing injury to the teeth and/or associated structures. Synonym: traumatic occlusion. (05 Mar 2000) |
| traumatogenic occlusion | A malocclusion capable of producing injury to the teeth and/or associated structures. Synonym: traumatic occlusion. (05 Mar 2000) |
| labial occlusion | Malposition of a tooth in a labial direction, the occlusion as seen from the labial side of the arches. (05 Mar 2000) |
| lateral occlusion | Malposition of a tooth or an entire dental arch in a direction away from the midline. (05 Mar 2000) |
| functional occlusion | Any tooth contacts made within the functional range of the opposing teeth surfaces, occlusion which occurs during function. (05 Mar 2000) |
| line of occlusion | The alignment of the occluding surfaces of the teeth in the horizontal plane. See: occlusal plane. (05 Mar 2000) |
| lingual occlusion | Interdigitation of the teeth as seen from the internal or lingual aspect. See: linguoclusion. (05 Mar 2000) |
| abdominal aortic aneurysm | <surgery> A distended and weakened area in the wall of the abdominal aorta, more common in those who suffer from atherosclerosis. Symptoms include sudden, severe abdominal pain with radiation to the back. (27 Sep 1997) |
| abdominal aortic coarctation | <radiology> 2% of all coarctations, (most common site is thoracic: just distal to origin of L SCA), may be isolated congenital anomaly, associated with: thoracic aortic coarctation, idiopathic hypercalcaemia syndrome, rubella syndrome (ToRCHS), Takayasu arteritis, neurofibromatosis, radiation therapy, fibromuscular disease (12 Dec 1998) |
| abdominal aortic plexus | <anatomy, neurology> An autonomic plexus surrounding the abdominal aorta, directly continuous with the thoracic aortic plexus above and continued inferior to the bifurcation of the aorta as the superior hypogastric plexus. Synonym: plexus aorticus abdominalis. (05 Mar 2000) |
| acute aortic dissection | <cardiology> A condition in which a weakened portion of the thoracic aorta begins to tear along the longitudinal axis of the vessel. Symptoms include sudden, severe chest pain that may radiate to the back accompanied by nausea, sweating and difficulty breathing. A common risk factor for this event is atherosclerotic vascular disease and-or hypertension. Advanced cases of syphilis (syphilitic aortitis) can also result in acute thoracic dissection as a complication of infection with Treponema pallidum. (27 Sep 1997) |
| aortic | Relating to the aorta or the aortic orifice of the left ventricle of the heart. Synonym: aortal. (05 Mar 2000) |