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DENTAL MEDICINE.
344
j)o5e.—Of chloroform, Tltj to v, in sweetened water or muci-
lage. Dose of chloroform for inhalation, oj to 5ij-
Spirit of Chloroform — Spiritus Chloroforini— is composed of chlo-
Dose of spirit of chloroform,
roform, 5j ; diluted alcohol, S'j-
5ss to 5j-
Morphia and Chloroform Narcosis.—A method practiced by
Prof. Thiersch, of Leipsic, succeeds often in inducing a perfect,
analgesia without unconsciousness. Morphine is first hypoder-
mically injected, and in from five to seven minutes afterwards the
patient is very lightly chloroformed till near the stage of excite-
ment ; the operation is performed ; as soon as pain is felt, if the
operation is a prolonged one, a little chloroform is added. In this
manner not the tenth part of chloroform is needed, and it is
claimed that the operation is as painless as under full chloroform
narcosis, and there is no risk of danger incurred. Men receive
one-half a grain of morphine, women one-quarter of a grain, chil-
dren one-twelfth to one-eighth of a grain.
Cocaine-Chloroform Narcosis.—This consists essentially in the
combined use of cocaine and chloroform, and is strongly favored
by Prof. Obolinski, of Cracow, who injects either before or after
the anaesthesia is obtained, from one to three centigrammes of
cocaine; or he injects in the neighborhood of the seat of the op-
eration, and during its progress, from three to seven centigrammes.
Cocaine is used on the ground that it is a complete antagonist of
chloroform and chloral ; but it is not so regarded by others, who
represent it to be a general excitor of the central nervous gray
matter, rather than a direct and powerful stimulator of the heart,
while its stimulant effect upon respiration is not to be depended
upon. Prof. Obolinski claims that this mixed narcosis secures
anaesthesia with the use of less chloroform, and that vomiting is
prevented, and there are fewer disagreeable after-effects.
Dental Uses.—Chloroform is employed in dental practice as a
general anaesthetic, also as a local anaesthetic, for which purpose it
is generally combined with other agents ; as an anodyne and an-
tispasmodic, either locally applied or the vapor inhaled, as in the
treatment of convulsions of dentition, for which it is a very effi-
cient remedy.