98 VE TERINA R Y DEN TAL S URER Y. 



between the superior and the turbinated bones in the 

 middle meatus an irregularly shaped bony mass about 

 two inches in circumference and weighing between 

 two and three ounces; it was one and a half inches 

 from the diseased molar. The pressure of this mass 

 had caused necrosis and absorption of part of the 

 superior turbinal and partial absorption of the nasal 



FIG. 25. 



THIRD LOWER RIGHT MOLAR SHOWING AN EXOSTOSIS WHICH 

 INVOLVES TWO SIDES OF THE TOOTH. 



bone above it, making a shallow depression not notice- 

 able from without. The septum nasi on a level with 

 this mass, had a circular hole the size of a fifty cent 

 piece communicating with the right nostril and the 

 whole of the mucous membrane was thickened and 

 congested. The bony partition between the inferior 

 maxillary sinus and the nostril was absorbed, clearly 

 showing that at one time the growth had been at- 



