Page 46 - Nonextraction therapy Old Is Gold
P. 46
This four first-bicuspid extraction case
required the protraction of the molars to close
the balance of the extraction sites.
Protracting the first molar into an area of the
neutral zone normally occupied by bicuspid
may cause the buccal musculature to
tip the molar crowns lingually in an attempt
to stabilize the area
