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Components of Dental Pulp
components of dental pulp
26
Medical
Undergraduate 1
11/17/2011

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Term
Odontogenic zone
Definition
Odontoblasts, zone of Weis and the cell-rich zone
Term
Inductive
Definition
Pulp induces the production of teeth in early development
Term
Adventitia
Definition
Sparse layer of collagen fibres. The most outer layer of the vessels that supply the pulp
Term
Apical Foramen
Definition
The opening of the dental pulp to the periodontum
Term
attached denticles
Definition
denticles that are attached to the dentine
Term
embedded denticles
Definition
denticles that are embedded within the dentine
Term
Free denticles
Definition
denticles that are unattached in the pulp
Term
true denticles
Definition
denticles that contain dentinal tubules
Term
False Denticles
Definition
denticles that do not contain dentinal tubules, that nearly contain concentric layers of calcified tissues
Term
Intima
Definition
layer of pulpal blood vessel that contains endothelial cells
Term
Media
Definition
layer of pulpal blood vessels that contain muscle cells
Term
Reparative
Definition
produces tertiary dentine in response to trauma
Term
Schwann's cells
Definition
provide the myelinated sheath around nerve axons
Term
Coronal Pulp
Definition
pulp located in crown of tooth.
Term
Radicular Pulp
Definition
pulp located in root(s) of tooth
Term
Protective
Definition
pulp stimulates the production of sclerotic dentine to protect itself
Term
Denticles
Definition
pulp stones, calcified masses
Term
gap junction
Definition
space between odontoblasts that allow for small molecules to pass and that allow electrical signals to be passed between cells. Allows for all the cells to be in sync with each other
Term
zone of Weil
Definition
the cell free zone
Term
plexus of Raschkow
Definition
the collection of pulpal nerves in coronal pulp
Term
Formative
Definition
the pulp can form the dentine that surrounds it
Term
Nutritive
Definition
the pulp supplies nutrients and oxygen to the coronal pulp
Term
Direct Innervation Theory
Definition
theory suggesting that nerves in the pulp extend all the way to the dentinoenamel junction and thus are directly stimulated
Term
Transduction theory
Definition
theory suggesting that odontoblasts are themselves receptors that send the signals through to the peripheral pulp and to the nerves and onto the brain
Term
hydrodynamic theory
Definition
theory suggesting that through the movement of the fluids and odontoblastic processes within the dentinal tubules nerve endings are stimulated through pressure and thus sending the signals to the brain
Term
Tight junction
Definition
thick band surrounding odontoblasts that prevents any substances getting through to the dentine
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