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Which of the following teeth is succadaneous?
1
2
3
4
4
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during the cap stage of tooth development, the tooth germ consists of?
- enamel organ
- dental sac
- dental papilla
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What is the difference between gemination and fusion?
- gemination - tooth germ unsuccessfully tries to split - 1 root
- fusion - crowns of 2 teeth fuse together, looks like one tooth on top, but has more than 1 root
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will differentiate into odontoblasts
outer cells of dental papilla
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support structure for ameloblasts
outer enamel epithelium
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will differentiate into the dental pulp
inner cells of dental papilla
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will differentiate into ameloblasts
inner enamel epithelium
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What induces the cells of the dental sac to differentiate into cementocytes?
the newly formed dentin
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enamel hypoplasia is decreased_____of the matrix, while enamel hypocalcification is decreased______because it didn't fully mineralize
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the periodontal ligament secures the tooth by anchoring int the_________and ________
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"bending of roots because HERS was distorted" is a definition of which developmental disturbance?
dilaceration
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passive eruption is when the gingiva recedes around the tooth. Active eruption is when the tooth moves in a horizontal position to erupt
- the first statement is true
- the second statement is false, it moves in a vertical positon
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what is the difference between a dentigerous cyst and an eruption cyst?
- dentigerous cyst occurs when the tooth is impacted around a fully formed crown
- eurption cyst occures while the tooth is erupting and usually goes away once the tooth is fully erupted
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What fuses with the oral epithelium during eruption?
REE
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