57330
PULP
- CONNECTIVE TISSUES
- Essentially a mature Dental Papilla
- Dentine is calcified pulp
- FUNCTIONS: dentine formation, protection, sensory
- FUNCTIONS: dentine formation, protection, sensory
- Dentine is calcified pulp
- Essentially a mature Dental Papilla
- Densely innervated
- NOCIOCEPTIVE RECEPTORS
- blood vessels have a wide lumen and narrow wall. Blood must flow back out
- 75% water, 25%organic material
- 75% water, 25%organic material
- blood vessels have a wide lumen and narrow wall. Blood must flow back out
- NOCIOCEPTIVE RECEPTORS
- PULP LAYERS
- CELL FREE ZONEOF WEIL
- CELL RICH ZONE(FIBROBLASTS)
- PULP CORE
- PULP CORE
- CELL RICH ZONE(FIBROBLASTS)
- CELL FREE ZONEOF WEIL
- PULPAL CELLS
- Odontoblasts containing polarised nucleus synthetic organelles, secretory granules
- Fibroblasts most numerous in cell rich zone
- Defence cells ie macrophages/lymphocytes
- Ectomesenchymal cells can form new cells for replacement and repair
- Fibroblasts most numerous in cell rich zone
- Odontoblasts containing polarised nucleus synthetic organelles, secretory granules
- FIBRES OF PULP
- Collagen fibres make up34% of pulp proteins
- TYPE I 60% + TYPE III 40%
- TYPE I 60% + TYPE III 40%
- Collagen fibres make up34% of pulp proteins
- INNERVATION:plexus of Raschkow
- blood supply is rich, terminating at sub odontoblastic terminal plexus
- DENTINAL FLUID
- Contains Glycoproteins,polysaccharides
- Flows outwards into open tubules due to Interpulpal Pressure
- Flows outwards into open tubules due to Interpulpal Pressure
- Contains Glycoproteins,polysaccharides
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