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Jessica is a 15-year-old Chinese.
Do you like her profile (Fig.3)? Are the lips a little protrusive? According to studies on Caucasian patients, the normal lips should be behind the imaginary line from the middle of the nasal base to the chin (Fig.4 white line). Jessica's lips appear to be protrusive. The ideal treatment would be 4 bicuspid extraction.
Xin Wei, DDS, PhD, MS 1st edition 09/27/2016, last revision 09/27/2016