facial angle


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facial angle

n
1. (Anatomy) the angle formed between a line from the base of the nose to the opening of the ear and a line from the base of the nose to the most prominent part of the forehead: often used in comparative anthropology
2. (Anthropology & Ethnology) the angle formed between a line from the base of the nose to the opening of the ear and a line from the base of the nose to the most prominent part of the forehead: often used in comparative anthropology
References in classic literature ?
"The type of these people," said he in his sonorous fashion, "whether judged by cranial capacity, facial angle, or any other test, cannot be regarded as a low one; on the contrary, we must place it as considerably higher in the scale than many South American tribes which I can mention.
The supra-orbital crest, the facial angle, the maxillary curve, the--"
I am not sure that the greatest man of his age, if ever that solitary superlative existed, could escape these unfavorable reflections of himself in various small mirrors; and even Milton, looking for his portrait in a spoon, must submit to have the facial angle of a bumpkin.
Like their brothers the sea-kind, they are ugly animals, of a yellowish orange beneath, and of a brownish red colour above: from their low facial angle they have a singularly stupid appearance.
"Wild eyes, the iris of which contracts or dilates at pleasure," said Debray; "facial angle strongly developed, magnificent forehead, livid complexion, black beard, sharp and white teeth, politeness unexceptionable."
Descriptive statistics for bond strengths of orthodontic brackets in all groups Measures Normal Skeletal pattern SNA (Steiner) 82[degrees] SNB (Steiner) 80[degrees] ANB (Steiner) 2[degrees] Convexityangle (Downs) 0[degrees] Y Axis (Downs) 59[degrees] Facial Angle (Downs) 87[degrees] SN-GoGn (Steiner) 32[degrees] FMA (Tweed) 25[degrees] Dental Standard IMPA (Tweed) 90[degrees] 1.NA (Steiner) 22[degrees] 1-NA (Steiner) 4 mm 1.NB (Steiner) 25[degrees] 1-NB (Steiner) 4 mm 1.1-Interincisal (Downs) 130[degrees] 1-Apo (Ricketts) 1 mm Profile Upper-Lip-S Line (Steiner) 0 mm Lower Lip- S Line (Steiner) 0 mm A B A/B Dif.
When angular parameters for horizontal lip position were measured, the results of the study indicated that the mean value of soft tissue facial angle of the patients was 92.54 +- 3.86 degrees with minimum and maximum value of 81 and 98 degrees respectively.
(8) Facial angle (G-Prn-Pog): formed by the glabella (G), pronasale (Prn), and pogonion (Pog) points.
While mandible was positioned backwards in both groups, soft tissue chin became less prominent in RME patients as indicated by a significant decrease in the soft tissue facial angle. The other significant soft tissue change in RME group was a significant increase in H angle, meaning that upper lip became more prominent in relation to the overall soft tissue profile, compatible with the more convex skeletal profile as determined by increases in the ANB and ANPg measurements.
* Soft tissue facial angle (STA): The downward and inner angle formed at a point where the sella-nasion line crosses the soft tissue and a line combining the suprapogonion with the Frankfort horizontal plane;
Patient Mean [+ or -] SD Facial angle 877 83.2 [+ or -] 2.9 Convexity 70 9.5 [+ or -] 4.4 A-B plane -0.7 * -6.2 [+ or -] 2.7 Mandibular plane 25.6 * 34.0 [+ or -] 3.8 7-axis 64.6 66.2 [+ or -] 3.0 Interincisal angle 141.7 * 118.7 [+ or -] 7.5 L-1 to mandibular 89.3 95.4 [+ or -] 6.3 SNA 84.2 81.5 [+ or -] 4.2 SNB 82.6 77.1 [+ or -] 3.8 U-1 to SN 96.5 105.4 [+ or -] 5.2 Gonial angle 118.8 * 131.0 [+ or -] 5.6 Asterisks indicate the out of range of 2SD limits.
The original observation that faces of Down syndrome individuals were flat led to the investigation of frontomaxillary facial angle (FMFA) measurement as a risk factor for trisomy 21 [1].