| REF | Rat embryo fibroblasts |
|---|---|
| Ref-1 | Redox factor-1 |
| REF | Regional ejection fraction |
| REF | Restriction endonuclease fingerprinting |
| incisal guide | In dentistry, that part of an articulator on which the anterior guide pin rests to maintain the vertical dimension of occlusion and the incisal guide angle as established by the incisal guidance; may be adjustable, with a superior surface that may be changed to provide variations in the incisal guide angle, or customised, being individually formed in plastic to allow other than straight line incisal guidance in eccentric movements. Synonym: anterior guide. (05 Mar 2000) |
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| incisal guide angle | The angle formed with the horizontal plane by drawing a line in the sagittal plane between incisal edges of the maxillary and mandibular central incisors when the teeth are in centric occlusion. (05 Mar 2000) |