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LOCAL AND REGIONAL ANESTHESIA 279
increased. From experiments it has been found to be only one-
seventh as toxic as cocaine.
Doses. The best solution for dental uses is probably the two
rig. 148.—Second position in the mandibular injection. This position is taken for the deposit
of the anesthesia for the lingual nerve.
per cent solution for both the infiltration and the regional methods.
The maximum dose of a two per cent solution is twenty-four cubic
centimeters. Such a quantity would never be called for in any
dental operation.
