Fig.4': According to Oriental standard, the lower lip is protrusive.  It appears that the patient cannot afford to move the anterior teeth forward. 

Fig.4'': Cephalometric analysis seems to reveal more of the lip protrusion severity.  Can we hold the truth back?

Oral Hygiene & Severe Crowding

Xin Wei, DDS, PhD, MS 1st edition 10/09/2016, last revision 10/09/2016