VE TERINA R Y DENTAL S URGER Y. 93 



ently had commenced at their approximal corners on 

 the labial surface. One of them was completely de- 

 nuded of enamel for one-fourth the distance up from 

 the cutting edge and the others were nearly as bad 

 leaving the dentine completely exposed. Consequent- 

 ly the teeth were very sensitive. There seemed to be 

 a disintegration of the dentine at the point of union 

 with the enamel. The carious dentine could be 

 removed for nearly one-tenth of an inch under the 

 enamel and was of a brownish or grayish color. The 

 enamel of the affected teeth varied from the normal 

 color at the gums to a white or chalky color where 

 the disease was progressing to a light brown where 

 it was crumbling away. 



TREATMENT. 



I removed all the carious dentine, cut back the 

 enamel to where it seemed firm, made suitable under- 

 cuts and put in amalgam filling. The amalgam 

 used was about equal parts of tin and silver melted 

 together and run into an ingot and filed, and the 

 filings mixed into a stiff paste with mercury. 



I never have seen the horse since, but inquired 

 about it once or twice. Its owner thought it could 

 eat much better, but disposed of it in a few days 

 after the operation, so I do not know how successful 

 it may have proved." 



