The instrument must be made entirely of Indian iron, and the operation, like the preceding one, is to be carried out in several days, that the fall of the tooth may not be provoked by excessive shaking. The file (Fig. [55]), too, must be used to destroy the edges and points of broken teeth, that they may not injure the tongue, or give any trouble in speaking.

Fig. 50

Fig. 51

Forceps for extraction of splinter or necrosed fragments of the maxillary bones (Abulcasis).

Fig. 52

A dental saw (Abulcasis).

Fig. 53