When the patient is smiling, the upper central incisors have extra exposure (Fig.3).  Differential bracket placement between U1 and U3 (4 vs. 5 mm from the incisal edge) should be able to correct the exposure.  Profile views show the mild lip protrusion (Fig.4). 

Class II Malocclusion & Microdontia Last Next

Xin Wei, DDS, PhD, MS 1st edition 01/01/2017, last revision 05/06/2018