Histology of Teeth II Questions and
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Pass (Latest 2025).
Maturation stage is the _________ stage (up to 5 years) - CORRECT ANSWERS longest
Maturation stage - CORRECT ANSWERS final stage of odontogenesis when matrices of hard
dental tissue types degrade and mineralize
During maturation, before enamel begins mineralizing the ameloblasts undergo... - CORRECT ANSWERS
apoptosis (25% reduction in ameloblasts)
During maturation we have _________ material --> _________ - CORRECT ANSWERS organic ;
mineralized
During maturation, ____________ is the cyclic creation, loss, and recreation of a ruffle-ended
ameloblast - CORRECT ANSWERS modulation
The ameloblasts cyclically alternate between having a __________ border and a __________ border at
the apical surface facing the enamel matrix - CORRECT ANSWERS ruffle-ended ; smooth-ended
Ruffle-ended ameloblasts are held together through __________ junctions - CORRECT ANSWERS
tight
Smooth-ended ameloblasts are held together through __________ junctions - CORRECT ANSWERS
leaky
Ruffle-ended ameloblasts have enzymes like... - CORRECT ANSWERS - lysosomes
, - metalloproteinases
- serineproteinases
Enzymes are secreted by the ruffled-ended ameloblasts to ___________ the proteins in the enamel
matrix - CORRECT ANSWERS degrade
When the enamel matrix is being degraded, the ____________ and ____________ present in the ruffle-
ended ameloblasts help mineralize the enamel matrix which fully forms enamel - CORRECT ANSWERS
calcium binding proteins ; calcium ATPase
Striae of Retzius - CORRECT ANSWERS incremental rings that represent variations in deposition
of the enamel matrix during tooth formation (on the inside)
Perikymata - CORRECT ANSWERS grooves evident on teeth associated with the lines of Retzius
in enamel (on the outside)
Enamel spindles - CORRECT ANSWERS formed when ends of odontoblasts processes are
embedded in enamel during development
__________ appearance of the DEJ for firm attachment - CORRECT ANSWERS scalloped
Dentin characteristic feature - CORRECT ANSWERS dental tubules
What is dentin made up of? - CORRECT ANSWERS 70% inorganic hydroxyapatite
20% organic
10% water
Verified Answers, 100- Score Guarantee
Pass (Latest 2025).
Maturation stage is the _________ stage (up to 5 years) - CORRECT ANSWERS longest
Maturation stage - CORRECT ANSWERS final stage of odontogenesis when matrices of hard
dental tissue types degrade and mineralize
During maturation, before enamel begins mineralizing the ameloblasts undergo... - CORRECT ANSWERS
apoptosis (25% reduction in ameloblasts)
During maturation we have _________ material --> _________ - CORRECT ANSWERS organic ;
mineralized
During maturation, ____________ is the cyclic creation, loss, and recreation of a ruffle-ended
ameloblast - CORRECT ANSWERS modulation
The ameloblasts cyclically alternate between having a __________ border and a __________ border at
the apical surface facing the enamel matrix - CORRECT ANSWERS ruffle-ended ; smooth-ended
Ruffle-ended ameloblasts are held together through __________ junctions - CORRECT ANSWERS
tight
Smooth-ended ameloblasts are held together through __________ junctions - CORRECT ANSWERS
leaky
Ruffle-ended ameloblasts have enzymes like... - CORRECT ANSWERS - lysosomes
, - metalloproteinases
- serineproteinases
Enzymes are secreted by the ruffled-ended ameloblasts to ___________ the proteins in the enamel
matrix - CORRECT ANSWERS degrade
When the enamel matrix is being degraded, the ____________ and ____________ present in the ruffle-
ended ameloblasts help mineralize the enamel matrix which fully forms enamel - CORRECT ANSWERS
calcium binding proteins ; calcium ATPase
Striae of Retzius - CORRECT ANSWERS incremental rings that represent variations in deposition
of the enamel matrix during tooth formation (on the inside)
Perikymata - CORRECT ANSWERS grooves evident on teeth associated with the lines of Retzius
in enamel (on the outside)
Enamel spindles - CORRECT ANSWERS formed when ends of odontoblasts processes are
embedded in enamel during development
__________ appearance of the DEJ for firm attachment - CORRECT ANSWERS scalloped
Dentin characteristic feature - CORRECT ANSWERS dental tubules
What is dentin made up of? - CORRECT ANSWERS 70% inorganic hydroxyapatite
20% organic
10% water
