196 



A MANUAL OF DENTAL ANATOMY. 



excavation made before it in the base of the tooth which has 

 preceded it, while if pressure had had any share in the matter 

 the cells of its enamel organ, &c., must have inevitably been 

 crushed and destroyed. 



Again, when the absorption and shedding of the first teeth 



FIG. 85 



have taken place early, before their successors are ready to 

 appear, perfect little sockets are formed behind the lost 



(!) Jaws of a six year old child. In the upper jaw complete sockets are 

 seen where the temporary incisors have been shed. 



