Anatomy & Histology · single question
Which of the following is most related to TOOTH ERUPTION?
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Correct answer: D. Osteoclasts
Tooth eruption requires resorption of the overlying bone and primary tooth roots. OSTEOCLASTS are the cells responsible for bone resorption that creates the eruption path. They dissolve the bony crypt overlying the erupting tooth, allowing it to move occlusally. Odontoclasts (similar to osteoclasts) resorb primary tooth roots. Osteoclasts are the key cells in creating the pathway for eruption.
- A. CORRECT. Osteoclasts resorb the bone overlying the erupting tooth, creating the eruption pathway. They are the primary cells facilitating tooth eruption.
- B. Incorrect. Osteoblasts BUILD bone — they are involved in bone deposition (below the erupting tooth as it moves) but not in clearing the eruption path.
- C. Incorrect. Odontoblasts produce dentin — they are found in the dental pulp and are involved in tooth development, not eruption mechanics.
- D. Incorrect. Cementoblasts produce cementum — they are involved in root formation and attachment, not in creating the eruption pathway.
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