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Fig. 200.

FiOB. 200, 201, 202. A series of photomicrographs of a oross section of a bicuspid, and the
same with the cavity prepared, and a cross section with the filling in place.
Fio. 200. A low power pholomicrog-raph of a cross soi-lion of a bicuspid, showing an extensive
decay of the enamel of the distal surface (above) that has bc(fun at two separate points. From each
beginning the decay has penetrated the enamel and caused some solution of the dentin. No enamel
rods have fallen away. In the mesial surface :innther dreay has hrgim which is abnormally to the
lingual because of a lingual position of the proximating tooth.