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292 OPEfeATIVE DENTISTRY

jectioii will give dental and surgical anesthesia of the biscuspids
and molars of the respective side.
Palatine Injections. The needle is inserted above the gingival
margin of the mesial part of the third molar for the posterior
palatine and passed upward and backward to the palatine process,
injecting one-third of a cubic centimeter. For the anterior pala-
tine the needle is inserted lingually and above the gingival margins
of the superior central incisors and passed upward and backward
to the anterior palatine canals, depositing one-third of a cubic
centimeter. These injections will anesthetize the palatal part of
the gums for surgical work, as extractions.
In Conclusion. Always use the simplest method that will be
successful. Do not inject pathological tissue. Avoid infection.
Use only fresh solutions. Do not inject muscle tissue. Use a solu-
tion that is isotonic. Attempt regional anesthesia only after care-
ful study and preparation.