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18 Cards in this Set
- Front
- Back
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Dentin surface
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Covered by enamel on crown and cementum on root
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Organic material of dentin
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Odontoblasts, Collage, Ground substance
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Main structural componenet of dentin
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Intertubular Dentin
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Primary vs secondary dentin
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Developed before or after apical foramen completion.
Secondary is formed to defend tooth, pulp chamber and canal are reduced |
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Mantel dentin
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Produced from matrix and contributes to DEJ
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Incremental lines or bands in dentin that begin at the crest of the dental papilla
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Contour Lines of Owen
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Initial few microns of root dentin, deposited in cervical half of root
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Granular Layer of Tomes
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Dental Pulp components
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Connective tissue organ consisting of Whorton's Jelly.
Cells, nerves, & Lymphatics found |
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Formative aspect of pulp
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Mesenchymal cells can differentiate into odontoblasts that make dentin or fibroblasts that make collagen
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Primary function of pulp
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Made dentin
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Sensory innervation to tooth
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Second and third branches of Cranial nerve V (Trigeminal) to max & mand respectively
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Cell Free zone of Weil
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Zone of pulp formed between cell rich area and odontoblast area & contains afferent (sensory) nerve network
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Pulp Stones & Types
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aka Denticles.
True- forms during tooth development, tubular structure False - Forms as result of injury & non tubular structure |
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Derivatives of periodontal sac
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Alveolar bone, Cementum, PDL
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Bone between teeth
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Interdental septum & Interradicular septum
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Layers of alveolar bone
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Cribriform Plate
Middle Layer of spongy bone & Marrow Outer Cortical Plate |
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Compact bone that makes up socket
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Lamina Dura
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Transseptal Fibers
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Travels across inter proximal space over alveolar crest to bind one tooth to another
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