Microscopic features of enamel

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Across
  1. 2. cross section of the tooth, convex side faces the dentine and the concave side faces the enamel
  2. 3. partially calcified vertical sheets of enamel matrix that extends from the DEJ to the outer surface occlusal surface. They are narrower & longer than enamel tuft.
  3. 4. represent odontoblastic processes that crosses the basement membrane & into the enamel matrix & then trapped into the enamel matrix & becomes mineralized.
  4. 6. incremental lines
  5. 7. appear on the enamel surface are lost through wear.
  6. 8. trauma experienced by ameloblast during birth
Down
  1. 1. optical phenomenon produced by the changing in direction between adjacent groups of rods.
  2. 5. small dark brushes with their bases near DEJ, represent the area of hypo-mineralization. Formed due to abrupt changes in the rods direction.