ANIMAL DENTISTRY 



181 



must be condemned in an inspection for soundness. The 

 inferior incisors must be shortened by filing from time to 

 time, and the elongated molars must be trimmed to the level 

 of the other teeth. Shortening the superior incisor is useless 

 and inadvisable. Filing or cutting a considerable portion of 

 either the inferior or superior incisors is harmful, as these 

 teeth, having never been subjected to the influence of wear, 



Fig. 128. 

 A Typical Case of Prognathism. 



are sensitive to the very tables, and will bleed if much of the 

 crown is removed. 



PROGNATHISM. 



Synonyms — Undershot. Prominent jaw. Prominent 

 chin. 



Definition — A congenital deformity in which the inferior 

 incisors overlap the superior. The deformity consists of a 



