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Questions and Answers
Which layer does the ectoderm turn into during tooth development?
Which layer does the ectoderm turn into during tooth development?
- Epithelium (correct)
- Endoderm
- Vascular tissue
- Connective tissue
What is the origin of neural crest cells in tooth development?
What is the origin of neural crest cells in tooth development?
- Neuro ectoderm (correct)
- Mesoderm
- Ectoderm
- Endoderm
Which tissue will form the enamel during tooth development?
Which tissue will form the enamel during tooth development?
- Connective tissue
- Ectomesenchyme
- Ectoderm (correct)
- Endoderm
What is the function of dental lamina during tooth development?
What is the function of dental lamina during tooth development?
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At what week of intrauterine life does the initiation of dental lamina occur?
At what week of intrauterine life does the initiation of dental lamina occur?
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Study Notes
Tooth Development
- Ectoderm turns into ameloblasts during tooth development, which will form the enamel.
- Neural crest cells originate from the neural crest and migrate to the oral cavity, where they differentiate into odontoblasts, cementoblasts, and osteoblasts.
- Ameloblasts, derived from ectoderm, will form the enamel during tooth development.
- Dental lamina, a transient epithelial structure, guides the formation of tooth buds and eventually disappears, leaving the tooth germ behind.
- Initiation of dental lamina occurs during the 6th-7th week of intrauterine life.
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