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Tooth Development And Shedding Practice Test

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Which cell resorbs bone to create eruption pathway?
Correct Answer:
Osteoclasts.
Explanation:
During eruption, a path must be cleared through the surrounding bone for the tooth to emerge. This clearing is done by osteoclasts, the cells specialized for bone resorption that break down mineralized bone ahead of the erupting tooth. Ameloblasts form enamel on the crown, odontoblasts lay down dentin, and cementoblasts produce cementum on the root—none of these remove bone to create the eruption pathway. Therefore, osteoclasts are the cells responsible for resorbing bone to pave the way.

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