Page 194 - My FlipBook

190 CLASSIFICATION OF DECAYED CAVITIES.

its contact during an operation, and especially the
inferior, teeth.
Various appliances and methods have been devised

Fig. 47.

and employed for overcoming this difficulty. The
idea was several years ago conceived, of removing the
saliva as it accumulates; and hence the construction
and employment of the saliva pump represented in
Fig. 48. This instrument, though very good in its

Fig. 48.

operation and accomplishing much in the right direct-

ion, does not completely fulfill the requirements.