Page 295 - My FlipBook
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LOCAL AND REGIONAL ANESTHESIA
291
I'*ig. 158.— rinal position of the needle in giving the zygomatic injection, a represents the
place of puncturing the soft tissues.
nerve enters the infra-orbital canal. It is many times advisable to
add to this the horizontal infiltration injection as shown in Fig. 144
to reach the anterior snperior alveolar, the branches of which
anastomose wdth the branches of the middle alveolar. This
zygomatic injection especially when assisted by the horizontal in-