| occluding centric relation record | A registration of centric relation made at the established occlusal vertical dimension. (05 Mar 2000) |
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| 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) |
| kern-plasma relation theory | A theory enunciated by Hertwig (1903) that a definite relation as to size normally exists in every cell between the mass of nuclear material and that of the protoplasm. Origin: Ger. Kern, kernel, nucleus (05 Mar 2000) |
| unstrained 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) |