Page 179 - My FlipBook
P. 179
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FILLING TEP]TH 163
cotton-wool between them, a strip of rubber dam
may be used instead, and on the following day the
wool can be easily inserted.
In separating molars and bicuspids it is advisable
to open, and, partly or wholly, prepare the cavities,
and then to wedsre one or more balls of cotton into
O
them, and betAveen the teeth. If the wool, instead
of being packed into the cavities, is drawn between
the teeth as in the incisors, it will be found that
it works its way down into the triangular space
at the necks, and sets up considerable irritation,
without effecting any separation. It is often useful
to saturate the wool with mastic, or sandarach
varnish. This not only helps to stick the wool
in place, but gives a more comfortable feeling
to the patient's tongue, and also prevents the wool
from becoming foul. It is generally better to
saturate the wool with the varnish after it is placed
in position in the incisors, while in bicuspids and
molars it may, if desired, be saturated before its
application. Some dentists after partially or Avholly
preparing cavities in bicuspids and molars, fill them
with a gutta-percha—such as the red base plate
which expands somewhat, and by wedging it
between the teeth, obtain gradually and conveni-
ently a wide space. The objection to this, speaking
FILLING TEP]TH 163
cotton-wool between them, a strip of rubber dam
may be used instead, and on the following day the
wool can be easily inserted.
In separating molars and bicuspids it is advisable
to open, and, partly or wholly, prepare the cavities,
and then to wedsre one or more balls of cotton into
O
them, and betAveen the teeth. If the wool, instead
of being packed into the cavities, is drawn between
the teeth as in the incisors, it will be found that
it works its way down into the triangular space
at the necks, and sets up considerable irritation,
without effecting any separation. It is often useful
to saturate the wool with mastic, or sandarach
varnish. This not only helps to stick the wool
in place, but gives a more comfortable feeling
to the patient's tongue, and also prevents the wool
from becoming foul. It is generally better to
saturate the wool with the varnish after it is placed
in position in the incisors, while in bicuspids and
molars it may, if desired, be saturated before its
application. Some dentists after partially or Avholly
preparing cavities in bicuspids and molars, fill them
with a gutta-percha—such as the red base plate
which expands somewhat, and by wedging it
between the teeth, obtain gradually and conveni-
ently a wide space. The objection to this, speaking
