Dude420
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Constructs used in the study. a. Construct showing the intergonial width vs interzygomatic width. b. Construct showing the angle between the lower mandibular border and a line connecting the lateral canthus with the ipsilateral alare. c. Construct showing the level of bigonial plane in relation to the lips. d. Construct A shows the angle between the posterior border of the mandible and the Frankfort horizontal plane. Construct B shows the gonial angle, between the posterior and lower borders of the mandible. e. Relationship between the slope of the posterior border of the mandible and the slope of the forehead. f. Pointiness of the jaw angle, whether judged using the radius of a circle segment or the distance between the posterior end of the lower straight mandibular border contour and the lower end of the straight posterior border contour.
Answers to question 3 regarding the aesthetics of bigonial width compared to bizygomatic width in the face frontal view: " Compared to the total facial width at the malar level, how do you score the lower jaw width at the jaw angle level? "
Answers to question 4 regarding the inclination of the lower border in the face frontal view: "Is the inclination of the lower border in the face front view too steep, neutral, or too flat?"
Answers to question 5 regarding the ideal vertical position of the jaw angle in the face frontal view: "Is the vertical position of the jaw angle too high, good, or too low?"
Answers to questions 7 and 8 regarding comparisons between the posterior border of the mandible and forehead in the face profile view and opinions regarding the jaw angle and posterior border when recognizing the forehead as a possible confounding factor: 7.) "Compared to the forehead slope, is the posterior border of the lower jaw steeper, parallel, or flatter?"; 8.) "Now that you appreciate the relationship with the forehead, can you again indicate your opinion regarding theangle and posterior border of the jaw? Is it nice, neutral, or ugly when taking the forehead into account?"
Answers to question 9 regarding the shape of the jaw angle in the face oblique view: " What do think of the shape of these angles e nice, neutral, or ugly? "
Results: The preferred jaw angle had these characteristics: 130° in face profile view, intergonial width similar to facial width, vertical position in frontal view at the oral commissure or at least not below the lower lip, jawline slope in the face frontal view nearly parallel to (with a maximum 15° downward deviation from) a line extending from the lateral canthus to the alare, ascending ramus slope 65°-75° to the Frankfort horizontal, and curvature in the oblique view visible from earlobe to chin and not pointy.
https://www.researchgate.net/publication/291384320_The_ideal_male_jaw_angle_-_An_Internet_survey
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