TREATMENT. 



77 



vided with tushes the latter may be tied together across the 

 mouth. Silver wire is the best kind of ligature for such an 

 operation. Charges have been applied over the seat of injury, 

 but, as they cannot limit the movement of the jaw, are of no 

 use. Splints of wood or iron are easily applied in the inter- 

 maxillary space, and on either side of the head, to keep the 

 bones in apposition; and a head-collar, shown at Fig. 33, 

 has been used, but is not sufficient alone. Even in transverse 

 and oblique fractures of the neck of the lower jaw, the ends 

 of the bone may be cut down upon, trephined, and tied to- 

 gether by silver wire. This plan has not been recommended 

 by any veterinary writer that I am acquainted with, and the 

 most usual method is to rely on external applications as 

 means of diminishing movement, -and ensuring the apposition 

 of parts. 



The consequences of ununited or irregularly joined frac- 



tures about the chin are shown in the annexed cuts, (Figs. 

 41, 42.) The portions of separated bone have been sur- 



