Dental General fd188bc0 False about enamel rods is A They are perpendicular to tooth surface B They are parallel to each other C Diameter of enamel rods is 30micrometer at DEJ D Diameter of enamel rod is 5 micrometer at DEJ High-Yield Explanation Option C is false as diameter of enamel rod (avg) is 5 micrometer at DEJ and 8 micrometer at surface.