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28 Cards in this Set
- Front
- Back
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The primary function of the odontoblast is to produce _____
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dentin
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What cell type is most integrally involved in the pulp/dentin complex?
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odontoblasts
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The formation of the root is initiated at the cervical loop, where Hertwig's ______ _______ _______ is responsible for stimulating odontoblasts to lay down mantle dentin
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epithelial root sheaths
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What tissue covers the surface of the root as the root matures?
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cementum
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Accessory canals are most numerous in the ____ third of the root
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apical
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What type of collagen is predominant in dentin?
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Type I
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What cell defends the pulp by laying down tertiary (reparative) dentin?
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odontoblasts
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What cell is responsible for producing and maintaining the ground substance of the pulp?
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fibroblasts
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As we age, the pulp space (increases or decreases) in size?
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decreases
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When we drink cold fluids and feel a sharp pain, which nerve fibers in the pulp are responsible for this response?
According to Brannstrom (1963), this response is due to the movement of _____ within the dentinal tubules. |
A-delta
fluid |
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What 2 types of collagen are found in the pulp?
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Type I and III
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What is the shape (morphology) of the mature dentinal tubule and how does it change in diameter from the DEJ to the pulp/dentin complex?
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bundle of straws, pulp interface widest
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Describe the afferent blood vessels which supply the pulp.
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arterioles
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Describe the efferent blood vessels which exit the pulp.
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venuoles
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What is the role of the smooth muscle in pulpal circulation?
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controls diameter/dilation of arterioles
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What is the AV shunt and what is its role in inflammation?
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bypass system to reduce blood flow down capillary bed to decrease tissue damage
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What is the role of the lymphatic system in the pulp?
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fluid damage from pulp
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What is the CDJ and what is its relationship to apical foramen?
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cementodentinal junction, at root apex
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Describe the location and the response of the A-delta nerve fiber in the pulp.
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All along border right where dentin and pulp meet
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Describe the location and the response of the C-nerve fiber in the pulp.
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more centrally located
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Which pulp cell is a post mitotic cell and leaves a dead tract when it dies?
Which pulp cell may be called to take the place of this dead cell? |
odontoblast
multipotential cells |
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What tooth tissue is produced by odontoblasts/multipotential cells?
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dentin
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What is Dr. Baughan's favorite cell?
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odontoblast
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What is the role of the PMN (neutrophil)?
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1st alarm and it kills indiscriminately
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What is the role of the macrophage?
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phagocytosis--more chronic infections
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What are the 2 types of T-lymphocytes and what is the role of each?
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helpers and suppressors
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How is bone destroyed by the "clastic" cell?
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enzymes that are created begin to break down the bone
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What role does the epithelial cell play in cyst formation, and where did those epithelial cells come from?
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forms epithelial wall around cyst
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