Anatomy & Histology · single question

Which cells are primarily responsible for TOOTH ERUPTION?

  1. Osteoclasts (bone-resorbing cells)
  2. Odontoclasts (dentin-resorbing cells)
  3. Fibroblasts
  4. Ameloblasts
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Correct answer: A. Osteoclasts (bone-resorbing cells)

Osteoclasts are the primary cells responsible for tooth eruption. They resorb the alveolar bone above the erupting tooth, creating a path for the tooth to erupt. The reduced enamel epithelium (REE) fuses with the oral epithelium to allow eruption, and osteoclasts clear the bony tunnel. Odontoclasts (also called odontoclasts or cementoclasts) are responsible for primary tooth root resorption (of deciduous teeth) to allow shedding.

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