Podcast
Questions and Answers
What is the primary role of odontoblasts in dentin formation?
What is the primary role of odontoblasts in dentin formation?
- Forming enamel spindles responsible for sensitivity sensation
- Generating an extracellular collagen matrix (correct)
- Producing cementum in the root
- Secreting enamel in the crown
What gives dentin the capability of reacting to physiologic and pathologic stimuli?
What gives dentin the capability of reacting to physiologic and pathologic stimuli?
- Cementum formation
- Odontoblastic cell processes (correct)
- Enamel spindles
- Tomes fibers
Where are the cell bodies of odontoblasts located?
Where are the cell bodies of odontoblasts located?
- In the pulp cavity (correct)
- Adjacent to ameloblasts
- Within the enamel spindles
- In the tubules of mineralized dentin
What is the composition of mature dentin?
What is the composition of mature dentin?
What are small lateral openings along the tubule walls called?
What are small lateral openings along the tubule walls called?
When does dentin formation begin in relation to enamel formation?
When does dentin formation begin in relation to enamel formation?
What causes the formation of lateral canals in dentin?
What causes the formation of lateral canals in dentin?
At which junction does the transition between enamel and dentin occur?
At which junction does the transition between enamel and dentin occur?
What is the unmineralized zone of dentin next to the cell bodies of odontoblasts called?
What is the unmineralized zone of dentin next to the cell bodies of odontoblasts called?
What is the name of the small canals that extend through the entire width of dentin, from the pulp to the DEJ?
What is the name of the small canals that extend through the entire width of dentin, from the pulp to the DEJ?
In mature dentin, how far does the odontoblastic process extend within the dentinal tubule?
In mature dentin, how far does the odontoblastic process extend within the dentinal tubule?
At what rate does dentin formation spread from areas subjacent to the cusp tip or incisal ridge to the apex of the root?
At what rate does dentin formation spread from areas subjacent to the cusp tip or incisal ridge to the apex of the root?
