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Fig. 10.

B.

S'.—

Y

Fio. IG. Atrophy. The second zone of injury on (he linijual side from tlio section shown in Fig-
ure 11. It will be seen that while differing slightly in detail, :ill of its parts are similar to the
portions shown in Figures 14, 15.
Fig. 17. Lengthwise section through portion of crown of an atrophied tooth. a. Direction
toward the crown. u. Direction toward the root. z. DcnliTi. c. Interglobular spaces. e.
Enamel. s. AVedge-shaped piece separated by line of injury. x. Line of injury. si. Full thick-
ness of enamel. Zsiginundij.