Podcast
Questions and Answers
What is the term for the fine grooves running circumferentially around the crown of the tooth's surface enamel?
What is the term for the fine grooves running circumferentially around the crown of the tooth's surface enamel?
- Perikymata grooves (correct)
- Focal holes
- Enamel caps
- Neonatal line
Which area of the enamel is characterized by small elevations resulting from enamel deposition on top of debris late during tooth development?
Which area of the enamel is characterized by small elevations resulting from enamel deposition on top of debris late during tooth development?
- Enamel spindles
- Enamel tufts
- Enamel lamellae
- Enamel caps (correct)
What causes a particularly marked stria in the enamel that reflects the metabolic changes at birth?
What causes a particularly marked stria in the enamel that reflects the metabolic changes at birth?
- Incremental lines
- Neonatal line (correct)
- Enamel spindles
- Enamel tufts
Which feature on the enamel surface marks the ends of ameloblasts and is approximately 1-1.5µm in depth?
Which feature on the enamel surface marks the ends of ameloblasts and is approximately 1-1.5µm in depth?
What is the term for depressions on the surface of enamel resulting from the loss of enamel caps with underlying material?
What is the term for depressions on the surface of enamel resulting from the loss of enamel caps with underlying material?
Which part of the enamel is richer in trace elements, especially fluorine, and has less carbonate content?
Which part of the enamel is richer in trace elements, especially fluorine, and has less carbonate content?
What is the approximate distance between enamel striae in the middle portion?
What is the approximate distance between enamel striae in the middle portion?
What is the approximate distance between cross striations near the enamel-dentine junction?
What is the approximate distance between cross striations near the enamel-dentine junction?
What do incremental lines represent in enamel formation?
What do incremental lines represent in enamel formation?
What is the direction of enamel striae in cross sections?
What is the direction of enamel striae in cross sections?
What is the possible cause of differential light-scattering effects at the enamel striae?
What is the possible cause of differential light-scattering effects at the enamel striae?
What do cross striations reflect in enamel formation?
What do cross striations reflect in enamel formation?
What is the unique feature of the Enamel-Dentine Junction that retards crack propagation?
What is the unique feature of the Enamel-Dentine Junction that retards crack propagation?
What is the function of Enamel Tufts in the inner third of the enamel?
What is the function of Enamel Tufts in the inner third of the enamel?
What are Enamel Lamellae and what is their characteristic feature?
What are Enamel Lamellae and what is their characteristic feature?
What is the direction of Enamel Spindles in relation to the prisms?
What is the direction of Enamel Spindles in relation to the prisms?
What are Incremental Lines, Cross and Stria in the context of enamel?
What are Incremental Lines, Cross and Stria in the context of enamel?
What is the mineral content of the Enamel-Dentine Junction compared to Enamel and Dentine?
What is the mineral content of the Enamel-Dentine Junction compared to Enamel and Dentine?
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