Page 186 - My FlipBook

METHODS OF FILLING TEETH.
172
from the color of the temporary stopping whether the tooth
glance
immediate attention, or whether it be whilst
requires may passed
others are rilled.
In the case being discussed, then, the pink stopping would be
used. At the next this would be removed, as well as the
sitting
cotton under it, and it would be found that the gum would be in such
a condition that arsenic could be inserted. I will pause here to state
that I am not discussing the advisability of using arsenic, but am
how to use it where the dentist does it.
simply telling depend upon
The arsenic being placed carefully upon the point of exposure of the
the must be made so soft that it can be
pulp, temporary stopping
without undue If it seems doubtful that this can be
placed pressure.
accomplished, it will sometimes be better to use wax, which can be
made much more There is one to be
plastic. point emphasized.
Where the exposure is in connection with an approximal cavity, care
must be observed that the temporary stopping is not crowded below
the gum, as this will often cause more pain than that experienced from
the arsenic. With warm burnishers this filling should be trimmed to
and made smooth. It should
proper shape, thoroughly approximately
restore contour, and should not be so full that it would interfere with
occlusion. Often when the cavity is of poor shape, the burnisher
may be made so warm that it slightly melts the stopping, when if
passed along the borders all around, it will compel the adherence of
the material.
There will occur cases where the cavity is of such a nature that
though the dentist desires to use arsenic, he will recognize at once
that, if covered with temporary stopping, the dressing will most pro-
be The in these cases is to have the
bably displaced. procedure
as as with dam or as is most feasible, and
parts dry possible, napkin
after the arsenic, cover with a thin
applying oxyphosphate, which,
adhering to the cavity, leaves an assurance of safety. The cavity can
be for the of course, the
shaped properly retaining permanent rilling,
trouble in the first instance being that excavation whilst the pulp is
would be
aching painful.
After the removal of a pulp, or where the pulp has been dead for
any length of time, so that the cavity is necessarily deep, especially
in molars, the need not be of
temporary filling exclusively temporary
stopping. In large approximal cavities, considerable cotton may be
placed over that which carries the medicine, and only the outer part
covered with the temporary stopping. This renders subsequent
removal less troublesome. Again, where a large opening in the
crown is in addition to a fair proportion of
present, temporary stop-,
it will be well to use for the
ping, gutta-percha exposed surface, as
that material will better withstand the force of mastication.