Teeth 1

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What directions are there in the mouth?
Rostral, caudal, left, right, vestibular, palatal, distal, mesial, coronal and apical
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How are teeth classified?
Acrodont (no root of tooth), pleurodont (partially covered root of tooth) and thecodont (completely covered root of tooth)
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How are teeth implanted in mammals?
They are implanted in alveoli along the margin of the jaw (thecodont)
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What does polyphyodont mean?
Multiple successions of teeth
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What does diphyodont mean?
2 sets of teeth (temporary/deciduous teeth and permanent teeth)
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What does heterodont mean?
Different shaped teeth
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What does homodont mean?
Same shaped teeth
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What does brachydont mean?
The crown of the tooth only extends to the gum line
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What does hypsodont mean?
The crown of the tooth extends past the gum line and encapsulates the whole tooth
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What four types of teeth are there?
Incisors, canines, premolars and molars
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How do you describe the upper and lower jaw?
Maxilla and mandible (respectively)
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What are incisors for?
Snipping at food
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What are canine teeth for?
Tearing and grasping
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What's special about the canine tooth's root?
It is a long root, close to the nasal cavity
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What are sectorial/carnassial teeth for?
Shearing
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What are pointed molars for?
Crushing bone
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What does dolicocephalic mean?
Long face
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What does mesaticephalic mean?
Roughly proportional face
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What does brachycephalic mean?
Short face
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What is prognathia?
Underbite
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What is brachygnathia?
Overbite
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What are brachycephalics prone to?
Dental crowding and rotation of teeth
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What teeth do horses have?
Incisors, canines (rudimentary), diastema (gap between incisors and molars) and 3 premolars and 3 molars on each side
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How many incisors are in a quadrant?
3
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Describe the dental arrangement in a ruminant
Dental pad instead of upper incisors/canine teeth, cheek teeth and diastema, canines are intergrated to incisors on lower jaw
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What are the components of teeth?
Enamel, dentine, pulp and cement
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What can irregular chewing cause in horses?
It can cause the buccal edge of the upper cheek teeth and lingual edge of the lower teeth to form sharp protrusions
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Teeth are arranged in _______?
Rows/arcades
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What bones make up the skull?
Frontal, parietal, temporal, zygomatic, nasal, maxilla, incisive and palatine (all names end in bone)
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What bones make up the mandible?
Body and ramus
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Which artery supplies the teeth?
Branches of the maxillary artery
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Which nerve supplies the teeth?
Trigeminal nerve V2 (maxillary) and V3 (mandibular)
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Other cards in this set

Card 2

Front

How are teeth classified?

Back

Acrodont (no root of tooth), pleurodont (partially covered root of tooth) and thecodont (completely covered root of tooth)

Card 3

Front

How are teeth implanted in mammals?

Back

Preview of the front of card 3

Card 4

Front

What does polyphyodont mean?

Back

Preview of the front of card 4

Card 5

Front

What does diphyodont mean?

Back

Preview of the front of card 5
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