FOUR PERMANENT FIRST MOLARS. 



53 



once removed the four first molars. It was the 

 first, and up to the present time the only operation 

 of extraction to which she has had to submit. I 

 may here mention that the teeth of this patient 



Fig. 3, representing the upper and under arch at the age of nineteen. 



are delicate, and susceptible of caries ; but by her 

 own attention to the directions I gave her after the 

 operation, she is likely to retain them to an advanced 

 period of life. 



II. In this case I was also consulted for irregu- 



SECOND CASE. 

 Fig. 1, representing the upper arch. 



a a. Diseased first molars, removed. 



I 



