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Fig. 112.

FiQ. 112. A photograph of a split bicuspid disclosing three beginning decays which only just
reach the dento-enannel junction. Any one of these will quickly undermine the dento-enamel junction
if neglected. The pit decays, if allowed to become deep, often undermine the enamel of the proximal
surfaces also.
Fig. 113. A beginning decay in the mesial surface of a small three-cusped molar, in which solu-
tion of the dentin is just beginning. A very characteristic light-colored hyaline area in the dentin is
fringed with deep cloud. The decay of the enamel has extended considerably toward the occlusal
surface.
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