Part 2 Question

[ASB]

Dear Future American Dentist, please help me.

Tell me where the hell is this COLUMELLA PHILTRAL ANGLE.

Thanking you all in anticipation

ASB

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[Prosthoman]

hi:
Philtru: the depression on the upper lip.. right in the middle
collemela: horizontal line in the bottom of your nose externally

The Collemelaphilturm angle is: the line where your nose touches the depression in your upper nose
look at this link please
http://biocomp.stanford.edu/interplast/unilateral millard/millard pics/mill2.JPG