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29 Cards in this Set
- Front
- Back
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Define homodonty, heterodonty, diphyodonty, polyphydodonty. |
-homo: same form of teeth - hetero: different forms of teeth - diphy: 2 sets of teeth, deciduous and permanent - polyphy: multiple successions of teeth |
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Define acrodontia, pleurodontia, thecodontia. |
- arcodontia: teeth are attached on the summit of the summit of the upper edge of a jaw - pleurodontia: teeth are attached at the side of jaw - thecodontia: tooth is buried in a tooth socket |
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What is the socket that the tooth sits in called? |
- alveolus |
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Which type of tooth is covered in cementum? |
- hyppsodont |
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What type of teeth have a crown, neck and root? |
- Brachydont (short tooth) |
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What is the dental formula for canines? |
3 1 4 2 ----------- 3 1 4 3 |
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What are the pointy projections pointing upward on the surface of the tooth called? |
-tubercles or cusps |
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How many tubercles/cusps do the canine incisor have? What is the term used? |
- 3 - trituberculate |
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What is the upper canine P4/lower M1 called? Why? |
- sectorial/carnassial - largest |
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When does the eruption of deciduous teeth begin in canines? |
- incisors 4-5 weeks - ends with the eruption of the fourth premolar |
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When do canines typically have all their permanent teeth? |
- 6-7 months |
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What is the dental formula for cats? |
3 1 3 1 ----------- 3 1 2 1 |
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When do feline deciduous teeth start erupt? |
- 15-21 days, all erupted by 2 months |
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When do felines have all their permanent teeth? |
- 6 months |
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Which premolars do felines lack? |
- upper P1 - lower P1 and P2 |
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What is the equine dental formula? |
3 1 3(4) 3 -------------- 3 1 3 (4) 3 |
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What type of teeth are the deciduous incisors? What about permanent? |
- brachydont - permanent and all other teeth are hypsodont |
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When does the equine lower I1 erupt? |
2.5 years |
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When does the equine lower I2 erupt? |
3.5 years |
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When does the lower I3 erupt? |
4.5 years |
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What is a wolf tooth? |
- a wanna be P1 |
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What is the bovine dental formula? |
0 0 3 3 ------------ 3 1 3 3 |
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What shape are the lower canines in bovines? |
- incisiform - sometimes referred to has I4 instead of canine |
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Do bovines have any upper incisors or canines? |
- No! |
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At what age o the permanent incisor and incisiform canines erupt with I1? |
- 1.5- 2 years |
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When does the lower canine or "I4" erupt in bovines? |
- 3.5-4 years |
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When should all the teeth be erupted in bovines? |
- 5 years |
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What is the dental formula for south american camelids? |
1 1 2 3 ---------- 3 1 1 3 |
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What doe the upper incisor look like in camelids? |
- looks like a canine |
