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Questions
|
Answer
|
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Peritubular in
interglobular dentin is a |
Absent as interglobular
dentin is uncalcified |
|
The looping of dentinal
tubules in radicular dentin causes |
Airspaces formation in the
loop in ground section, resulting in internal reflection of transmitted light causing Tomes granular layer |
|
Reason for absence of Tomes
granular layer in crown is |
Differences in rate of
formation of dentinal tubule |
|
Lines associated with
primary curvature of dentin is |
Schreger line –
differentiating primary and secondary dentin |
|
Lines associated with
secondary curvature of dentin is |
Contour line of Owen;
neonatal line |
|
short period deposition of
incremental lines in dentin are commonly called as |
von Ebner’s line
|
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The coarser long period
lines in dentin are called as |
Andresen line
|
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Between two Andresen lines
in dentin, there are ___________ number of von Ebner lines |
six to 10 pairs
|
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Where is the primary enamel
knot found? |
It is a found in the tip of
epithelial tooth bud and is a signalling center |
|
Where is the secondary
enamel knot found? |
At the site of future cusp
tips |
Prof. Rooban Thavarajah
Oral and Maxillofacial Pathologist
List