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Deleted member 8758
Zephir
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When not accounting for race, Id say its the absolute height of the root relative to the frontal/peak of skull. If it slopes down then it makes a break or notch (not considering sexually dimorphic sinus growth) by jamming the notch inwards+downwards since the brain cavity takes priority. The skull pushes the frontal bone forward but with lack of bone support it will eventually have alot of downward force. The splanchocranium cannot compete with the brute force of the neurocranium. The a maxilla down swings increasing the angle of the nose making it lose angularity and skin surface area = less asthetic classy pointed nose.What causes a higher nasal root in your opinion? the nasal bones shape/position are affected by its surrounding structure but its rate of growth seems to be independent of things like the sphenoid/maxila??? recessed people can have sharp infraglabellar notches with tall nasal cavities
Those recessed people that have good nasal roots that deal with the notch problem by having foreward+upward grown neurocraniums. Usually dolicephalic Im assuming. The maxilla is downstream from the neurocranium, so surgically altering it would only be working with the symptoms. Those recessed people with good neurocranium bases would be one of the few candidates that would asthetically benefit from jaw surgery without too much uncanny tradeoffs.

I like to post my scan to show how the neurocranium cucks the nose. Red color is simulated.