Page 166 - My FlipBook
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Flu. 90. A bicuspid in which there is seen a disposition to broader spreading occluso gingivally.
Sometimes this is very extensive, as will be illustrated later.
Fig. 91. An upper molar in which is seen the same disposition to spread bucco-lingually as occurs
in the bicuspids. This form of spreading is common to the bicuspids and molars. In this case the
enamel rods have fallen out of a small area at the point of first beginning.
