INBDE (Integrated National Board Dental Examination) Practice Exam

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Gingival cysts of newborn derive from what developmental cell type?

  1. Epithelial rests of Malassez

  2. Rests of dental lamina

  3. Ghost cells

  4. Calcified falx cerebre

The correct answer is: Rests of dental lamina

Gingival cysts of the newborn derive from the rests of the dental lamina. The dental lamina is a band of epithelial tissue that gives rise to the primary teeth during development. As the primary teeth develop, remnants of the dental lamina can persist in the gingival tissue, leading to the formation of gingival cysts in newborns. Option A, epithelial rests of Malassez, are remnants of the root sheath around the roots of teeth and are not related to the development of gingival cysts in newborns. Option C, ghost cells, are associated with the development of calcifying odontogenic cysts (COCs) and not gingival cysts of newborns. Option D, calcified falx cerebri, is a structure in the brain and is not related to the development of gingival cysts in newborns.

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