| PPR | physician-patient relation; physician payment reform; posterior primary ramus; Price precipitation r... |
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| FOD | focus-to-object distance; free of disease |
| OCC | object-centered coordinate [method]; oral cholecystography |
| OCT | object classification test; optimal cutting temperature; oral contraceptive therapy; ornithine carba... |
| OFD | object-film distance; occipital frontal diameter; oro-facial-digital [syndrome] |
| median retruded relation | The most retruded physiologic relation of the mandible to the maxillae to and from which the individual can make lateral movements; it is a condition which can exist at various degrees of jaw separation, and it occurs around the terminal hinge axis, the most posterior relation of the mandible to the maxillae at the established vertical relation See: eccentric relation. Synonym: median retruded relation, median relation. (05 Mar 2000) |
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| centric jaw relation | The most retruded physiologic relation of the mandible to the maxillae to and from which the individual can make lateral movements; it is a condition which can exist at various degrees of jaw separation, and it occurs around the terminal hinge axis, the most posterior relation of the mandible to the maxillae at the established vertical relation See: eccentric relation. Synonym: median retruded relation, median relation. (05 Mar 2000) |
| centric relation | The location of the maxillary and the mandibular condyles when they are in their most posterior and superior positions in their fossae of the temporomandibular joint. (12 Dec 1998) |
| rest jaw relation | The postural relation of the mandible to the maxillae when the patient is resting comfortably in the upright position and the condyles are in a neutral unstrained position in the glenoid fossa. Synonym: rest jaw relation, unstrained jaw relation. (05 Mar 2000) |
| rest relation | The postural relation of the mandible to the maxillae when the patient is resting comfortably in the upright position and the condyles are in a neutral unstrained position in the glenoid fossa. Synonym: rest jaw relation, unstrained jaw relation. (05 Mar 2000) |
| ridge relation | The positional relation of the mandibular ridge to the maxillary ridge. (05 Mar 2000) |
| protrusive jaw relation | A jaw relation resulting from a protrusion of the mandible. (05 Mar 2000) |
| protrusive relation | The relation of the mandible to the maxillae when the lower jaw is thrust forward. (05 Mar 2000) |
| dispersion relation | <radiobiology> For a given wave, the dispersion relation relates the temporal frequency of a wave (w, or omega) to its wavenumber k and other physical quantities characteristic of the system. Dispersion relations can be quite simple (for example, w = k c for light, c being the speed of light), and they can also be quite complex, with interesting mathematical structure. The dispersion relation and its mathematical structure provide important information about the wave, including the phase and group velocities. Note that the meaning of dispersion relation is different in plasma physics than in other fields. (09 Oct 1997) |
| intermaxillary relation | Any one of the many relation's of the mandible to the maxillae, e.g., centric jaw relation, eccentric relation. Synonym: intermaxillary relation. (05 Mar 2000) |
| occluding centric relation record | A registration of centric relation made at the established occlusal vertical dimension. (05 Mar 2000) |
| occluding relation | The jaw relation at which the opposing teeth occlude. (05 Mar 2000) |
| terminal jaw relation record | A record of the relationship of the mandible to the maxillae made at the vertical relation of occlusion and at the centric position. (05 Mar 2000) |
| eccentric relation | Any relation of the mandible to the maxillae other than centric relation. Synonym: eccentric position. (05 Mar 2000) |
| jaw relation record | A registration of any positional relationship of the mandible in reference to the maxillae. These records may be any of the many vertical, horizontal, or orientation relations. (12 Dec 1998) |