112 VETERINARY DENTAL SURGERT, 



to the gum and appeared perfectly sound. The 

 gum was very much inflamed around it, and when I 

 undertook to extract it, I found it very difficult to do 

 so, and had to cut the alveolus on both sides before I 

 could effect its removal." 



Dr. W. L. Williams, of Bloomington, 111., reports 

 the following case of dental cyst: 



"An eleven months old French draft filly of excep- 

 tionally good form, size and quality, was brought to 

 our hospital suffering from extreme dyspnoea, and 

 showing an enormous swelling of the facial bones on 

 left side. 



"The owner first noted signs of disease some two 

 or three months previously, when upon sudden 

 exertion slight dyspnoea was evident, and about the 

 same time the bulging of the facial bones was noted, 

 both of which symptoms increased rapidly up to date 

 of admission to hospital. 



"The central part of facial swelling was about two 

 inches above the fang of fourth superior molar, and 

 apparently was due to some affection of the teeth. 

 There was no nasal discharge and nood or discernable. 

 The general health and condition of the filly was 

 good. 



"It was decided to trephine into the enlargement, in 

 order to determine the exact nature of the affection, 

 and after passing through the ordinary thickness of 

 bone, we came upon a hard, tooth-like substance 



