Shape of odontoblasts in:
Cuboidal or pyramidal;
Junctions between odontoblasts? (3)
- Gap junctions
- Tight junction
Allows passage of water and small molecules?
Forms an impermeable barrier to fluids, ions, and molecules?
Binds odontoblasts together?
Other terms for cell free zone?
Zone of Weil or subodontoblastic nucleus poor zone
True or false. Cell free zone is more prominent in radicular pulp?
False. Prominent in coronal pulp
Describe the apperance of cell free zone.
Fibrous without cells
Area for mobilization of replacement of odontoblasts?
Cell free zone
Myelinated fibers of pulp?
Plexus of Raschkow
Unmyelinated fibers of pulp?
Another term for cell rich zone?
Cell rich zone contains what type of cells? (2)
- Undifferentiated mesenchymal cells
Components of pulp core? (4)
- Principall cells
- Immunocompetent cells
- Blood vessels
Principal cells of the pulp? (5)
- Undifferentiated ectomesenchymal cells
Undifferentiated mesenchymal cells
Serves as contractile cells capable of vascular constriction?
Another term for pericytes?
Immunocompetent cells. (3)
It presents antigen to lymphocytes?
Located peripherally and functions to presents antigen to T cells?
Only non phagocytic immunocompetent cells?
Involved in specific immune response?
Vessels of the pulp?
Superior and inferior alveolar arteries and veins
Innervation of the pulp? (2)
- Trigeminal nerve
- Superior cervical ganglion
True or false. Plexus of raschkow is absent in radicular pulp.
Embryonic origin of pulp?
Apical boundary of dental papilla?
Epithelial diaphragm is formed when HERS bends at what angle?
Progressive narrowing of the pulp?
Pulp recession is due to continuous deposition of?
Calcifications of the pulp?
Another term for pulp stone?
True or false. Denticles appear in normal teeth.
True. Also in injured
True or false. Denticles maybe present only after eruption of teeth?
False. Also in unerupted tooth
Type of denticle: Has tubules radiating from the center
Non specific calcification of pulp?
Type of denticle characterized by concentric layers of mineralization?
When denticle is completely surrounded by the pulp, it is called?
When denticle is partially attached to the dentinal wall, it is called?
Another term for attached denticle?
When denticle is completely surrounded by dentin?
Another term for embedded denticle?
Cause of embedded denticle?
Due to continuous deposition of dentin
Denticle that follows the course of blood vessels and nerves?
Fibrillar or diffuse denticle
Appears more in root canal
Denticles according to form. (3)
Occurs when fibrous elements increases and cellular elements decreases?
Fibrosis of the pulp
Decrease in size of the pulp?
Atrophy of pulp
When pulp assumes appearance of a net?
Chronic pathological processes/therapeutic measures in pulp? (3)
- Deep carious lesions
- Pulpal abscesses
- Chronic cellular infiltrations
Causes injudicious or iatrogenic therapeutic measures? (3)
- Cavity preparation without water
- Over reduction of dentin
- Non pulp-friendly materials
Progressive destruction of dentinal tubules causes?
Internal root resorption
Probable causes of internal root resorption (3)
- Caries and periodontal infections
- Excessive heat during restoration
Cells capable of resorbing tissues?