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Questions
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Answers
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In predentin area, the area occupied by peritubular
dentin is |
About 3%
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“Translucent dentin” is often butterfly
shapped owing to |
Convergence of dentinal tubules pulpally
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“Translucent dentin” occurs when dentinal
tubule infilled |
At root apex from cementum extend cervically and towards
root apex. Direction is towards cervically. |
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Dentinal lymph has higher concentration of
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Higher concentration of potassium ions and lower
concentration of sodium ions. |
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“Aspiration” of odontoblastic nuclei occur
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With releasing of compression of tooth, the nuclei is
taken in to the tubule |
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From the pulp to DEJ, the mineral content of dentin,
hardness and elastic modolous |
Decreases
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From the pulp to DEJ, thickness of mineral crystals
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Increases
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The intermediate dentin is
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A layer between predentin and mineralized dentin
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Major difference between the mantle dentin and
circumpulpal dentin are |
Mantle dentin is relatively less mineralized; collagen
fiber are perpendicular to enamel; branched dentinal tubule; presence of mineralization by matrix mineralization |
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Mineral in dentin is deposited as
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Globules or calcospherites
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Prof. Rooban Thavarajah
Oral and Maxillofacial Pathologist
List