54 



HITCHCOCK'S ANATOMY 



Incisors, from the 8th to the 9th year. 

 Bicuspids, 10th " 11th u 



Canines, 12th " llJUl rf 



Second Molars, 12Jth " 14th " 

 Third Molars, 17th " 19th " 



124. Names of Teeth. — A third set of teeth has been 

 known to make its appearance; also a tooth extracted and 

 at once replaced may become firm again at the end of some 

 months. 



The names and number of the permanent teeth in each 

 jaw, beginning at the posterior part of the mouth, are : 



2 Wisdom, 4 Molars, 4 Bicuspids, 2 Canine, 4 Incisors. 

 Fig. 6G. 



a b c d 4 f g h 



a T> c d * f g h 



a, 5, Incisors, c, Canine, d, e t Bicuspids, f, g, Molars. K Wisdom teeth. 



125. Fracture of Teeth. — All the bones of the body, ex- 

 cept the teeth, when broken will become united again ; but if 

 the teeth lose a portion of their enamel, or even if it be 

 cracked, the tooth so injured at once begins to decay, and 

 will be entirely consumed, unless the disease be checked by 

 artificial means. 



124. What is said about a third set? Give the names of the permanent teeth. 

 125. What it the teeth are broken or cracked ? 



