54 
DENTAL FISTULA 
a 2 to 5 per cent, solution of alum or permanganate of potassium, 
which is further useful in removing smell. All loose teeth must be 
removed, otherwise success will never be attained. 
In dogs, extraction presents no difficulty: an assistant holds the 
animal, and human forceps may be used. The tooth is seized with 
forceps of suitable size, and a rapid drawing movement made, usually 
tow aids the tongue. Operating on the right side, torsion is made 
towards the left, and vice versa. The crown is usually firm, but the root 
loose. The tooth key may be used if thought suitable. Artificial teeth 
have been used in dogs. Moseley reports having fitted a full set with 
such success that the dog could afterwards crush bones. A Schipperke 
wearing a gold plate was exhibited at the Central Veterinary Medical 
Society. But these achievements are in the nature of scientific 
amusements. 
(b) dental fistula. 
This may be defined as a tube-like canal communicating at one end 
with the external air and at the other with a tooth root or socket. It 
