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8 Cards in this Set
- Front
- Back
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From what 2 cells do teeth arise?
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Epith and ectomesenchymal cells
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From which germ layer do teeth arise?
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the Ectoderm
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Give the things that arise from each:
1 - Oral epith (4) 2 - Inner enamel epith (1) 3 - 3 of 4 #1's 4 - Ectomesenchyme cells (2) 5 - Dental Papilla (2) 6 - Dental Sac(3) |
1 - Inner enamel epith, outer enamel epith, stratum intermedium, stellate reticula
2 - enamel 3 - Junctional Epith 4 - Dental Papilla & sac 5 - dentin, pulp 6 - cementum, PDL, Alv bone |
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What does the TOOTH GERM consist of? when is it present?
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Dental papilla, follicle and enamel organ. Present in BELL STAGE
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What is the name of the
1 - the first dentin 2 - the first enamel When are they seen? What is the main goal of this stage? |
1 - aprismatic enamel
2 - mantle dentin in Appositional stage, when mineralization/vascularization occurs |
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What is the HERS
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Hertwig root sheath - extension of cervical loop which serves as a framework for the ROOT ( doesn't make enamel)
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What's the principal Organic component of Enamel?
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Enamelin
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What are Striae of Retzius?
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They are hypocalcified/dev distubances of rods
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