Page 288 - My FlipBook

284 OPERATIVE DENTISTRY
method is of advantage in the extraction of non-vital teeth, roots
and parts of roots. It is the best method for the extraction of all
deciduous teeth and roots. This method is used for any of the
teeth in the maxilla, but the greatest success is with the single-

Fin 153.—The same mandible shown in Fig. 152 with the needle passed to position sufficiently
high to be above the lingula represented by a.

rooted teeth. With the mandible the infiltration method is of little
service posterior to the cuspids when vital teeth are involved.
There are but two injections to consider with the infiltration method
in dental operations, namely, the horizontal and perpendicular.