Teeth. 



11 



336* The Right Milk Teeth, Dentes lactei s. caduci. 



The eruption of the temporary or milk teeth commences in the 

 sixth or seventh month after birth ; at the end of the second year of 

 life the child has twenty teeth, ten in each jaw, namely, four incisors, 

 two canines, and four molars. In the seventh year the milk teeth begin 

 to fall out and make room for the permanent set. 



D.molar. med.perm^ 



For. ment. 

 D. Kcusp. ert D. 



D. canin. perm, 

 inc. ext. perm 



D. inc int 

 perm 



-D. inc. ext. 



cad. 

 'D. canin. cad. 



]). eanin.cad. 

 -D. inc. ext. cad. 

 D. inc. int. perm. 



D. inc. ext. 

 P frm - 



D. canm. perm. 



337. The Teeth of a Child with the Calcified Parts 

 of the Permanent Teeth Exposed. 



The anterior wall of the upper and lower jaw cut out, to show 

 the relation between the temporary and permanent teeth. 



