Page 268 - My FlipBook

264 OPERATIVE DENTISTRY

as the anatomical structure at this point favors fracture which most
frequently extends down and back to include the inferior dental
foramen connected with the mylohyoid groove.

Fig. 137.—Position for extracting upper left third molars. Note the hand grasp on the
forceps. This grasp can also be used, sometimes, on the first and second molars. The grasp
is a powerful one as the bones and muscles of the arm and body are in a position to exert a
great amount of force while giving the tooth buccal pressure and rotation with the top of the
forceps moving toward the median line in the rotary motion and the handles of the forceps
are pushed out and back. While this may look awkward in the photograph many of my
students who have tried it have been very much pleased with the results.
Injury in this way at this particular point may be far-reaching
in its effect, as fractures are most likely to follow weakened portions