Page 754 - My FlipBook

752 ORTHODONTIA AS AN OPERATIVE PROCEDURE.
In many cases, after extraction of a first bicuspid the only problem

Fig. 735.

Angle's reinforcement.
is to draw the canine into line or move it lingually. This may be ac-
complished by any of the appliances described in Class 2.
Fig. 736.

. i'
I'

Drawing canine in
Fig. 736 shows another method of Prof. Angle's for drawing the
canine in.
Fig. 737.

Jackson's appliance for lower arch.
The lower canine is the most difficult tooth to move. If the first
bicuspid be extracted to make room, the second bicuspid and first molar
will in many cases be moved forward in an attempt to use them as