Color of dentin?
Yellow intrinsic color
Characterized as positively birefringent?
Organic material of dentin? (3)
- Ground substance
Types of dentin. (4)
Also known as orthodentin or regular dentin?
Other terms of tertiary dentin?
- Irregular secondary dentin
Primary dentin is developed before or after tooth eruption?
Before tooth eruption
It has regularly arranged dentinal tubules?
Peripheral layer of dentin found adjacent to the enamel in the crown and cementum in the roots?
Layer of dentin containing collagen alpha fibrils?
True or false. Incremental lines can be found in mantle dentin?
Makes up the bulk of dentin?
Dentin consisting of beta fibrils and mucopolysaccharide grounds substance?
Acts as a lubricant or as shock absorber?
True or false. Dentin is hydrophilic?
Intertubular dentin consist of what type of collagen fibers?
Dentinal tubules exhibit ___? shaped curvature.
Regularly arranged canals from pulp to DEJ/DCJ
True or false. Dentinal tubules are more pronounced in the incisal and cuspal areas.
Why are dentinal tubules few in incisal/cuspal areas?
Due to crowding of odontoblasts as more dentin is formed
True or false. Tubules in root dentin has less S curvature?
Types of branching. (2)
- Greater branching
Contents of dentinal tubules. (3)
- Odontoblastic process
- Periodontal space
- Intratubular nerve
Other term for odontoblastic process?
Tome's fiber or dentinal fiber
Cytoplasmic extension of odontoblasts?
Found between the odontoblatic process and wall of the tubule?
Periodontoblastic space contains ____?
Dentinal tubules filled with air?
Causes of dead tracts? (2)
- Retraction of odontoblastic process
- Death of odontoblast
Occurs when dentinal tubules have become occluded with calcified material?