2, the width of the nose The distance between the two nostril side edges is generally equivalent to 70% of the length of the nose. The width of nose root is about 1 cm, and the tip of nose is about1.2cm..
3. The height of the bridge of the nose is generally considered to be not less than 9 mm, which is about 1 1 mm for women and 12 mm for men. The average height of the medial boundary point (nasal root) of saddle nose patients is about 4 mm
Tip height: generally, the ideal height is equal to l/2 of the length of the nose, 26 mm for men and 23 mm for women, and the nose below 22 mm is low.
The line between the forehead and the tip of the nose forms a triangle with the line between the bridge of the nose and the forehead, and the most depressed point of the nose root is at the vertex of this triangle. For people with a high nose bridge, the vertex of the triangle is slightly higher than the line connecting the corners of the eyes, and for people with a low nose bridge, it is lower than this line. Most people's nasal roots are at the level of the line connecting the corners of their eyes.
4. The dorsal line of nose is generally parallel to the line from helix to mandibular body.
5, nose angle The angle between the forehead and floss, and the angle between the forehead and the nasal dorsum line, the ideal angle is 30-33 degrees.
6, nose and lip angle The angle between the front end of the nose column and the bottom of the nose and the red lip of the upper lip is generally 90- 120 degrees. In patients with saddle nose deformity, this angle is obviously increased, the nose length is obviously shortened, and the abnormal characteristics of nostril upward appear.
7. Under normal fronto-nasal angle, the angle between the back of the nose and the brow is about 65,438 0.20 degrees, which is equivalent to the level of the upper eyelash line and the inner canthus. This angle is related to the curve beauty of the nose, smaller than this angle, and the external nose is prominent; This angle is high, indicating a long nose deformity; On the low side, it is short nose deformity.
8. The ideal radius of curvature of the tip of the nose is 8- 12 mm, but it is not ideal if it is below 8 mm or above 12 mm. ..
9. The nostril is oval in diameter and does not exceed the medial foot of the alar.
10. The width of the alar is the sum of the connecting lines between the upper part of the columella and the two alar edges, which is on the vertical line of the inner canthus. It is equivalent to the width of the vertical line under the eyes.
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