Why is Comprehensive Orthodontic Treatment Important?
In fact the opposing 1st molar is supraerupted (Fig.1). With comprehensive orthodontic treatment, the normal Curve of Spee is re-established (Fig.2) and the lower arch is symmetrical with the normal size of the lower left 1st molar (compare Fig.3,4).
Implant & Ortho
Xin Wei, DDS, PhD, MS 1st edition 04/23/2017, last revision 04/29/2017