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Alveolar Bone Histology — NDEB AFK MCQ

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ModerateBiomedical SciencesAlveolar Bone HistologyNDEB AFK

Which type of bone forms the alveolar bone proper (cribriform plate) that lines the tooth socket?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: C — Bundle bone (containing Sharpey fibres)

The alveolar bone proper (lamina dura on radiographs, cribriform plate histologically) is composed of bundle bone — compact bone characterised by the insertion of Sharpey fibres from the periodontal ligament. These fibres anchor the tooth to the bone. The cribriform plate contains numerous small perforations (hence the name) for passage of blood vessels and nerves between the PDL space and the marrow spaces.

Reference: Nanci – Ten Cate's Oral Histology, 9th ed., 2017