94 DISEASES OF THE TEETH. 



F5g.48. 



There are certain special symptoms of caries which Bouley 

 has noticed in the following order : 



1st. Kemarkable foetor, which is peculiar to the disease, 

 and pervading the mouth and the secretions within it. 



2nd. Flow of saliva from the mouth. 



3rd. The appearance of a black spot on the carious tooth, 

 or of a cavity varying in extent according to the duration of 

 the disease. 



4tth. Sharp pain indicated when a tooth is struck by any 

 instrument. 



5th. Swelling of the gums, redness and pain around the 

 diseased tooth. 



6th. The accumulation of food about the diseased tooth, 

 and which undergoing putrefaction, produces the most repul- 

 sive smell. 



