204 



A MANUAL OF DENTAL ANATOMY. 



of the tooth itself is modified so as to be particularly fitted 

 for resisting the jars to which a moveable tooth must at times 

 be exposed, and so is the bone upon which it is set. 



As is seen in the figure, the base of the tooth, or the side 



FIG. 87 ( J ). 



opposite to the hinge, is thickened and rounded, the advan- 

 tages which such a form must possess over a thin edge when 

 bumping upon the bone being sufficiently obvious. This 



(*) Hinged tooth of Hake. a. Vaso dentine. 6. Pulp. c. Elastic 

 hinge, d. Buttress of bone to receive /, formed out of bone of attach- 

 ment, e. Bone of jaw. f. Thickened base of tooth, g. Enamel tip. 



