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Oral Anatomy > Learning Plan 1 > Flashcards

Learning Plan 1 Flashcards

1
Q

Dental arches

A

Maxillary- upper teeth

Mandibular- lower teeth

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2
Q

Only bone that moves in the skull

A

Mandibular

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3
Q

Homodont

A

One form, one function

Ex: animals, shark

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4
Q

Heterodont

A

Several forms in the same arch with many functions

Ex: humans

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5
Q

1 Heterodont quad contains what teeth

A

2 incisors, 1 canine, 2 premolars, 3 molars

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6
Q

Only in permanent dentitions

A

Premolars (bicuspids)

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7
Q

Incisors function

A

Cutting

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8
Q

Canine function

A

Piercing

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9
Q

Premolars function

A

Holding and grinding

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10
Q

Molars function

A

Grinding

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11
Q

Polyphyodontism

A

Many sets of teeth
Continuous replacement of teeth

Ex: animals

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12
Q

Diphyodontism

A

2 sets of teeth

Ex: humans
Deciduous (primary) and permanent

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13
Q

How many teeth in Primary/deciduous? And when do they erupt?

A

20, 6mos-2yrs

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14
Q

How many teeth in secondary/permanent? When do they erupt?

A

32, 6-12yrs (except wisdom teeth)

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15
Q

Dentition

A

Natural teeth in the dental arch

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16
Q

Functions of primary dentitions?

A

Alignment, formation, speech, and mastication(eating)

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17
Q

Functions of secondary dentitions?

A

Esthetics(bright/white), speech and mastication(eating)

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18
Q

Secondary succedaneous

A

Permanent tooth that replaces a primary tooth. “Succeed”

Ex: premolars,

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19
Q

Secondary nonsuccedaneous

A

Permanent molars

“Nonsucceed”

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20
Q

Gingiva

A

Soft tissues surrounding the teeth.

Pink in color

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21
Q

Teeth components

A

Hard tissues.
Mastication.
4 traits- incisors, canine, premolars, molars

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22
Q

Tissues of the teeth

A

Enamel, dentin, cementum, and pulp

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23
Q

How mineralized is enamel?

A

97%

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24
Q

Dentin is..

Can it repair itself?

A

Bulk of tooth structure

May repair itself limitedly

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25
Q

Color of enamel is based on what 3 things?

A

How thick enamel is, how mineralized, color of dentin

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26
Q

Cementum

A

Covers dentin on ROOT surface

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27
Q

Pulp

A

Middle of tooth

28
Q

Pulp consists of

A

Chamber, canal, and horn

29
Q

Functions of the pulp in teeth

A

Vascular-supplies blood
Neurological- sensation
nourishment-

30
Q

Anatomical crown-

A

The portion of the tooth covered with enamel (white area)

31
Q

Clinical crown-

A

Portion of the tooth seen in oral cavity

-starts at Gingiva

32
Q

Anatomical root-

A

Covered with cementum

33
Q

Clinical root-

A

Not seen in oral cavity

34
Q

Acrodont attachment-

A

Teeth are fused to the height of the alveolar ridge

ex: snakes

35
Q

Pleurodont attachment-

A

Teeth are fused to the side of alveolar ridge

Ex: alligators and lizards

36
Q

Thecodont attachment-

A

Teeth held in jaw by root. Alveolar bone around root.

Ex: humans

37
Q

Cementoenamel junction (CEJ)

A

Where cementum and enamel meet

30% meet
60% overlap
10% don’t meet (gap) (dentin more sensitive)

38
Q

Dentinenameljunction (DEJ)-

A

Where dentin and enamel meet

39
Q

Dentinocementum junction (DCJ)-

A

Where dentin and cementum meet

40
Q

Alveolar process-

A

What we call bone that supports teeth and surrounds

41
Q

Apical foramen-

A

Opening near apex of tooth

42
Q

Furcation-

A

Branching of tooth with more than one root

Bi- 2 roots, molars mostly, one premolar

Tri- 3 roots

43
Q

Root trunk-

A

“Unbranched” portion of multirooted tooth

44
Q

Root apex-

A

End of root

45
Q

Periodontal ligament (PDL)

A

Fibrous ligament that connects cementum>alveolar process

Tooth>bone

46
Q

Apical foramen-

A

Where blood supply enters at end of root

47
Q

Gomphosis

A

Thecodonts

48
Q

Humans are…

A

Heterodont, Thecodont, Diphyodont

49
Q

Quadrant formulas

A

Primary- 2-1-2

Permanent- 2-1-2-3

50
Q

Mixed dentition

A

Both types of dentition in humans. When numbering use adult or baby tooth number as needed.
Ex: 123D5

51
Q

Primary universal numbering

A

A-J, K-T

Upper right primary molar to left primary molar then LL>RL

52
Q

Primary palmer number

A

A-E w quad designation

A=central incisors

53
Q

FDI primary numbering

A

5-8 for quad 1-5 for tooth

Ex:55= 5thquad,UR, 2nd molar

54
Q

Universal numbering for permanent teeth

A

Continuous # system 1-32
1-8 9-16
17-24 25-32

55
Q

Palmer numbering for permanent teeth

A

1-8 w quad designation. (Orthodontist use)

56
Q

FDI system for permanent teeth

A

1-4 quad
1-8 tooth
11-18, 21-28, 31-38, 41-48

57
Q

Anterior

A

Front teeth: incisors and canines

58
Q

Posterior

A

Back teeth: premolars and molars

59
Q 
Sextant 1
2
3
4
5
6
A 
1-5 molars, premolars
6-11 canines, incisors
12-16 premolars, molars
17-21 premolars, molars
22-27 canines, incisors
28-32 molars, premolars
60
Q

D-A-Q-T

A

Dentition-primary vs permanent
Arch-maxillary vs mandibular
Quadrant-left vs right
Tooth-type and class

Type and class=what kind 1st or 2nd, lateral or central, inc,can,pre,mol

61
Q

Root thirds

A

Apical, middle, cervical

62
Q

Crown thirds

A

Cervical, middle, occlusal/incisal

63
Q

Proximal surface thirds

A

Buccal, middle, lingual

64
Q

Direct view thirds

A

Mesial, middle, distal

65
Q

Line angles

A

Indicates where 2 surfaces intersect or meet

Ex: labiolincisor

66
Q

Point angles

A

Where 3 surfaces meet or intersect

Ex: a specific spot/dot

Oral Anatomy (16 decks)

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