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DENTAL MEDICINE.
238
be perfectly cleansed with warm water. It is also employed as
a gargle, properly diluted, in mercurial inflammation of the mouth
and other forms of stomatitis, which do not yield to the influence
of milder astringent washes. It is also employed in the treat-
ment of aphthae and other ulcers of the mouth.
Dr. W. H. Atkinson speaks very favorably of the action of
aromatic sulphuric acid upon morbid growths and ulcerating sur-
faces, especially in pockets where the connective tissue has been
destroyed and deep chasms exist along the line of teeth, between
the cementum and alveolar walls. After drying out such pockets
with bibulous paper, drops of aromatic sulphuric acid, in full
strength, should be dropped into the open mouth of the pocket un-
til it stands full, on a level with the surface of the gum and teeth.
This is repeated when the contents of the pocket are absorbed,
again and again ; after which the mouth is washed with a satu-
rated solution of bicarbonate of soda in distilled water. After
drying the pocket with bibulous paper, a paste of tannin and
glycerine, smoothly spread upon several folds of the same paper,
is laid over the surface, and the patient directed to use hydronaph-
thol solution as a mouth wash, frequently during the day. The
following day, the pocket is washed out with peroxide of hydro-
gen, fifteen volume medicinal, until it ceases to bubble ; then re-
peat the application of the aromatic sulphuric acid in the same
manner as first described. The hydronaphthol solution should be
used frequently, and also a bichloride of mercury solution, i.iooo,
three or four times a day, until there is no longer any evidence
of pus when the peroxide is injected. Dr. R. Callahan
J.
recommends a 50 per cent, aqueous solution of sulphuric acid for
opening the canals of teeth where the roots are curved or the
it also acts well
canals obscure, or obstructed by osseous growths ;
in the case of putrescent pulps, as it destroys animal tissue by
dehydration on account of its strong affinity for water.
