Which enamel structures are incremental growth lines that appear on the tooth surface as perikymata?

  • Correct answer

    Striae of Retzius

  • Hunter-Schreger bands

  • Enamel lamellae

  • Enamel tufts

This question is one of 15 in AFK practice: Biomedical sciences. Test yourself on all of them.

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Explanations

  • Striae of Retzius are incremental lines of enamel formation; where they reach the surface they form the shallow grooves called perikymata. Hunter-Schreger bands are an optical effect of alternating rod orientation, not growth lines.

    Source: Nanci, Ten Cate's Oral Histology — oneguy

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