IRREGULARITIES OF THE DENTAL SYSTEM. 



The dental system offers a large number of very interesting 

 and important irregularities. When these exist the horse is 

 said to have an irregular mouth, or to be falsely marked. Some 

 of the irregularities are without importance, while others may 

 influence the wearing of the teeth to such a degree as to make 

 the determination of age excessively diflicult, except by a careful 



43'.,. 



Fig. 125. 



Fig. 126. 



study of all of the changes and a comparison of the indications 

 furnished by the other parts of the body. 



The irregularities can be classified as follows : — 



1. Number, — a-ugmentation and diminution. 



2. Form of the incisors. 



3. Uniting of two incisors. 



4. The form of the cup ; fissure of the dental cup. 



5. Depth of the dental cup and size of its cavity (Jbhgue). 



6. Fault of length or excess of size of one of the jaws 

 (122) 



