All are true about the striae of retzius except___________?
Correct answer: B. Have high inorganic content
- A. Constitute the rest lines with in the enamel rods
- B. Have high inorganic content
- C. They are areas of increased porosity
- D. Allow the movement of water and small ions
Explanation
Striae of Retzius are incremental, relatively hypomineralised lines that have increased porosity and can permit movement of water and small ions. Therefore, saying they have high inorganic content is the exception.
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