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1st Year Veterinary Cards - Semester 2 > General & SA Dentition > Flashcards

General & SA Dentition Flashcards

1
Q

What is the name of the tooth socket? What holds this in place?

A

Alveolus

Periodontal ligament

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2
Q

Most of a tooth is made up of…

A

Denting

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3
Q

What is the top part of a tooth made up from

A

Enamel

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4
Q

What part of the tooth is under the gum on the edges?

A

Cementum

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5
Q

What runs through the centre of the tooth? What does it do? How does it communicate?

A

Pulp chamber

Communicates with nerves, blood vessels, lymphatic system via apical foramen

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6
Q

What holds the root of the tooth in place?

A

Alveolar bone held by gingival crevice

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7
Q

What is the origin of enamel? What forms enamel? Why can’t it regenerate?

A

Ectoderm
Ameloblasts
Acellular

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8
Q

What is the origin of dentine? What cells make it? Does it grow throughout life?

A

Mesoderm
Odontoblasts
Produced throughout life - large pulp cavity young, smaller when older

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9
Q

What is the difference between osteoblasts and odontoblasts?

A

Osteoblasts remain in position

Odontoblasts recede to the pulp chamber

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10
Q

What is cementum? What does it originate from? Does it grow?

A

Calcified connective tissue
Mesoderm
Yes, slowly

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11
Q

What makes up the periodonteum?

A

Gingiva
Periodontal ligament
Cementum
Alveolar bone

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12
Q

What is the function of the periodonteum?

A

Absorb stress when bitten down

Anchors teeth

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13
Q

What are gingiva? What are the 2 types of gingiva?

A

Gums
Oral mucosa covering alveolar processes
Free - towards top of tooth. Attached - bottom of tooth

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14
Q

What epithelium does the gingiva consist of?

A

Keratinised stratified squamous epithelium

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15
Q

What is the gingiva sulcus?

A

The small gap between the tooth and free gingiva

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16
Q

What is the periodontal ligament composed of? What does it do?

A

Collagen

Attaches cementum to alveolus, acts as shock absorber (part of periodonteum)

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17
Q

Which nerve innervates all teeth? Which innervates the upper and lower teeth?

A

V - trigeminal nerve
Upper - maxillar alveolar nerve
Lower - mandibular alveolar nerve

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18
Q

What is the name for 2 sets of teeth - one deciduous, one permanent?

A

Diphyodont

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19
Q

What is the name for a set of teeth with specialised types?

A

Heterodoxy

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20
Q

How many teeth are found in a standard mammal? What about a cat? What about a dog?

A

44
30
42

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21
Q

In a cat, there are 30 teeth. How many teeth are in the deciduous set? When do they erupt? When do the permanent set erupt?

A

26
6 weeks
6 months

22
Q

In a dog, there are 42 teeth. How many teeth are in the deciduous set? When do they erupt? When do the permanent set erupt?

A

28
6 weeks
7 months

23
Q

What is the name for a set of teeth with a shorter root than crown?

A

Hypsodont

24
Q

What is the name for a set of teeth with a low crown and a long, wide root? (Iceberg)

A

Brachydont

25
Q

What is the name for a set of teeth that continue to grow throughout life and never develop true roots? (They are always hypsodont)

A

Aradicular

26
Q

What is the name for a set of teeth with a true root, and do not continue to grow throughout life? (Can be hypsodont or brachydont)

A

Radicular

27
Q

What is a clinical crown?

A

Exposed part of the tooth

28
Q

What is the anatomical crown?

A

Enamel covered part of tooth

29
Q

Orientation - what does labial mean?

A

Next to lips

30
Q

Orientation - what does buccal mean?

A

Next to cheek

31
Q

Orientation - what does lingual mean?

A

Next to tongue

32
Q

Orientation - what does mesial mean?

A

Surface touching tooth in front

33
Q

Orientation- what does distal mean?

A

Surface touching behind tooth

34
Q

Orientation - what does occlusal mean?

A

Masticatory surface (table)

35
Q

Which are the carnassial teeth? (For tearing)

A

Upper pre molar 4

Lower molar 1

36
Q

What type of teeth do carnivores have? What are the 4 types of teeth?

A

Heterodont, brachydont, radicular
Incisors, canine, molars, premolars
(Carnassial)

37
Q

What is the carrying space?

A

The gap between the back teeth - shouldn’t occlude (touch)

38
Q

What is the pH of the mouth?

A

7.5

39
Q

What are 2 types of malocclusion? What do they mean? Which head shape do they commonly occur in?

A

Prognathism - lower jaw too long, brachycephalic breeds

Brachygnathism - lower jaw too short, dolicoecphalic breeds

40
Q

What are the 3 stages of periodontal disease?

A
  1. Gingivitis
    2/ early. Gingivitis and periodontal ligament breakdown
  2. Tooth loss, can lead to oronasal fistula if alveolar bone broken down
41
Q

What is plaque?

A

A biofilm formed on teeth by the colonising of bacteria

42
Q

What is calculus/tartar?

A

Inorganic substances deposited onto plaque

43
Q

What are the 2 biggest contributors to periodontal disease?

A

Plaque and calculus

44
Q

Which organisms cause tooth decay?

A

Bacteria

45
Q

Why might an animal get an abscess?

A

Periodontal/tooth disease

46
Q

How are pigs incisors different to other omnivores?

A

Point forward

47
Q

What are canines called in pigs? How do they remain sharp? Do they grow throughout life

A

Tusks - rub against each other

Yes - however females root only open for 2 years

48
Q

How many teeth do piglets have when born?

A

8

49
Q

Premolars and molars are very similar and tubercular in pigs. How do they differ?

A

Get larger caudaully

50
Q

At what age do pigs have their full permanent dentition?

A

18 months

51
Q

Which teeth make up the carnassials?

A

Upper - PM 4

Lower - M1

1st Year Veterinary Cards - Semester 2 (63 decks)

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