Page 74 - My FlipBook

Fie. 30. An enamel whorl in the enamel near the dento-enamel junction, the surface of the
enamel presenting a pit over the whorl. Normal enamel is marked A, A : dentin. B. B ; the pit
in the surface. C the whorl. It will be observed that there is a heavy deposit of brownin
; D.
in the deformed enamel, which lies next to the dentin. In fact, there is a recurve of the dento-
enamel junction to partially accommodate the whorl.
A little different direction in the cutting of the section, so that the pit in the surface would
be missed, would show only the dark spot in the enamel and the whorl in the direction of the
enamel rods, which would appear if the spot was not so black as to interfere with seeing: the
enamel rods.