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532 DENTAL MEDICINE. ;

tannin and glycerine ; and if gloves are worn on the hands placed
in pockets, any stains on the fingers will disappear within one
hour, and no sloughing or soreness result. Care should be exer-
cised as to the quantity of the pyrozone solution employed
hence cotton, or silk ropes, or tampons should not be so saturated
as to permit an excess to be forced out and come in contact with
healthy tissues or surfaces when the pyrozone is employed in a
pocket or fistula. The 3 per cent, medicinal solution is put up
in 4 ounce glass-stoppered bottles, and the 5 per cent, and 25 per
cent, solutions in sealed glass tubes, the contents of which can be
transferred to clean glass bottles with ground stoppers, not filled
too full, and kept in an upright position.
Therapeutic Uses.—The 3 per cent, solution of pyrozone,
being free from odor and toxic properties, may be used with ad-
vantage when carbolic acid or other disinfectant is indicated. In
certain forms of indigestion or dyspepsia, ulcers of the stomach,
and gastritis, the 3 per cent, solution may be given internally in
doses of 5j three times a day before meals. In long-standing
epilepsy. Dr. B. W. Richardson has administered it in 5ij doses
twice daily. Externally, the 5 per cent, and 25 per cent, solutions
have been employed in rhinitis, ulcerations, diphtheria, syphilitic
ulcerations, old sinuses, fistulous tracts from bone disease, lupus
erythematous, alopecia areata, ringworm, nasal diseases, etc., etc.
Dental Uses.—The 3 per cent, aqueous solution may be used
freely as a mouth wash, also as a gargle, but considerable irrita-
tion follows its contact with the throat. Used as a mouth wash
it will remove the oily deposit and absorbent coating on the teeth
of smokers ; also as an irrigating and detergent wash in abscesses,
sinuses and ulcerations. The 3 per cent, aqueous solution is also
recommended by Dr. C. B. Atkinson as a valuable adjunct in
caring for a frequent condition of children's mouths, where,
from malnutrition during gestation and the sundry eczemas of
childhood, the teeth become pitted or wasted of the enamel, by
which cavities are exposed to the destructive influence of caries,
as the 3 per cent, solution both bleaches teeth in this condition
and retards the progress of destruction.
The 3 per cent, solution is also effective as a wash or injection