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Cards In This Set
| Front | Back |
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Odotogenesis
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- tooth formation
- begins during the 7th week in utero epithelium (ectoderm) layer overlays mesenchyme (mesoderm) |
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Apposition Stage
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Tooth tissues begin to be DEPOSITED
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List the Enamel Organs Made up of Epithelium
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1.) IEE
2.)OEE 3.) Stellate Reticulum 4.) Stratum Intermedium 5.) Successional Lamina |
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Stellate Reticulum
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Star shaped cells
compromises bulk of enamel organs between IEE and OEE (ectodermal cells) |
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Stratum Interdmedium
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Flattened cuboidal cells
between IEE & Stellate Reticulum |
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Inner Enamel Epithelium
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Diferentiates into Ameloblasts
-cuboidal shaped cells |
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Outer Enamel Epithelium
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-Outer most part of structure of cap stage
- protective layer for entire enamel organ -cuboidal shaped cells |
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Ameloblasts
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-Deposit Enamel
- columnar shaped |
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Succesional Lamina
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-forms enamel organ of FUTRE PERMANENT tooth
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As Ameloblasts deposit enamel, where do they go?
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They migrate outward toward OEE
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What happens to the enamel organ as enamel is deposited?
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- It gets smaller.
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Mesoderm (mesenchyme) develops into what?
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1.) Dental Papilla
2.) Dental Sac |
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Odontoblasts deposit what?
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- Dentin.
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What becomes odontoblasts?
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The outermost layer of the dental papilla.
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What becomes the pulp chamber of the tooth?
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The inner most portion of dental papilla.
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