Page 59 - My FlipBook

SINGLE PIVOT TEETH AND CROWNS 43

Cut a groove across both roots, put in each a
separate pivot, and take an impression.
Now make a small splint of half-round wire fitting
the groove to connect the pivots.
In the centre of this cross-splint the pin for the
artificial molar crown is placed (Fig. 30).

Fig. 30.

In case of the breakage of a tooth, where the Joining
of the parts is still possible, twist a platinum wire
round, and once more fire the whole with prosthetic.
In case the pin is broken off, perforate the wire
splint in the mouth, reduce the tip of the pivot, and
cement on.
For removing the layer of cement with which the
broken-off pivot is covered, leave the tooth in s^nrits
of salammoniac for twenty-four hours.
In case a crown is loose, bore a hole through the