Premium Partner

DEH 103: Histology & Embryology

Chapters 7 & 8: Enamel and Dentin

Chapters 7 & 8: Enamel and Dentin

Nicht sichtbar

Nicht sichtbar

Kartei Details

Karten 44
Sprache English
Kategorie Medizin
Stufe Universität
Erstellt / Aktualisiert 04.01.2014 / 28.12.2021
Lizenzierung Keine Angabe
Weblink
https://card2brain.ch/box/deh_103_histology_embryology7
Einbinden
<iframe src="https://card2brain.ch/box/deh_103_histology_embryology7/embed" width="780" height="150" scrolling="no" frameborder="0"></iframe>

Enamel is the hardest mineralized surface in the body becasue it is ___% mineralized.

96

The 96% inoragnic mineral consists of? The 4% organic matrix and water consits of?

  • Hydroxyapatite: calcium phosphate
  • Protein enamelin

What is the range of thickeness of enamel?

  • 2.5 mm

Enamel is formed by ___ rods that extend from the surface to the DEJ.

  • 4 rods:
    • 1 Head
    • 2 Neck
    • 1 Tail

When enamel rods are interwined at the cusp tip.

Gnarled enamel

These are alternating light and dark bands that extend perpendicular from the DEJ.

Hunter-Schreger bands

These are narrow brownish lines that enxtend diagonally outward from the DEJ toward teh occlusla/incisal part of the crown.

Incremental lines of Retzius (Striae of Retzius) (growth lines)

This is a noteable line of Rezius that is formed at birth. It is due to environmental and nutrition changes.

Neonatal line