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structure basics > LECTURE 1: Nomenclature of Human Teeth > Flashcards

LECTURE 1: Nomenclature of Human Teeth Flashcards

1
Q

Define Dental arch.

A

Teeth, gingiva, and associated bone

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2
Q

Maxillary arch

A

The upper arch including the associated teeth

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3
Q

Mandibular arch

A

The lower arch and associated teeth

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4
Q

Does the mandible or maxillary move?

A

Mandible

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5
Q

What joint does the mandible rotate and translate around?

A

TMJ

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6
Q

How many permanent teeth?

A

32

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7
Q

How many incisors on each arch? And total?

A

4 each arch, 8 total

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8
Q

How many canines on each arch? And total?

A

2 canines on each arch, 4 total

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9
Q

How many premolars on each arch? And total?

A

4 premolars on each arch, 8 total?

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10
Q

How many molars on each arch? and total?

A

6 molars total, and 12 total

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11
Q

Describe the Permanent Dental Formula.

A

The notation system which describes the number and order of permanent teeth.

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12
Q

Does the permanent dental formula describe each arch separately or half of the mouth (half of each arch on the same side)?

A

Half of the mouth (half of each arch on each side)

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13
Q

Each arch is divided in half at the __________. Each half arch is consider a ____________.

A

Each arch is divided in half at the arch Each half arch is consider a quadrant.

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14
Q

Which teeth are considered our anterior teeth? Include how many of each type.

A

Incisors - 8, canines - 4

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15
Q

Which teeth are considered our posterior teeth? Include how many of each type.

A

Premolars - 8, molars - 12

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16
Q

How many deciduous or primary teeth? Describe the amount of each type of tooth in each arch.

A

20 deciduous teeth.

10 per arch: 4 incisors, 2 canines, 4 molars.

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17
Q

What type of teeth are missing from deciduous teeth?

A

Pre molars

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18
Q

What substance cover the crown?

A

Enamel

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19
Q

Describe the crown of a tooth.

A

The upper part of the to other, typically visible in the mouth and covered by enamel

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20
Q

What substance covers the root(s) of teeth?

A

Cementum

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21
Q

Can teeth have multiple roots?

A

Yes, one or more.

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22
Q

What is enamel?

A

The dense hydroxyapatite surface of the crown

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23
Q

What is dentin?

A

The inner hard layer of the crown and root

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24
Q

What is pulp

A

The vascular innervated portion of the tooth

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25
Q

What is cementum

A

The outer layer of the root surface

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26
Q

What is DEJ abbreviated for?

A

Dentoenamel junction

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27
Q

What is the DentoEnamel Junction

A

The junction of enamel and dent ion layers, they meet internally.

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28
Q

CEJ stands for

A

CementoEnamel Junction

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29
Q

What is the CementoEnamel Junction

A

The junction of enamel and cementum layer

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30
Q

What is another name for the CementoEnamel Junction

A

Cervical line

31
Q

What is the cervical line

A

Junction of the anatomical crown and root

32
Q

What is considered the clinical crown

A

The portion of the tooth that is visible in the mouth

33
Q

What is considered the anatomical crown

A

The crown above the CEJ

34
Q

Can the anatomical and clinical crown be the exact same? Can the be different? Explain.

A

Yes, they can be the same. They can also bee different is there’s gingival overgrowth or gingival recession.

35
Q

If there’s gingival overgrowth, will the clinical or anatomical crown be closer to the occlusal surface of a molar?

A

Clinical crown will be closer to occlusal surface

36
Q

If there’s gingival recession, will the clinical or anatomical crown be closer to the occlusal surface of a molar?

A

Anatomical crown will be closer to occlusal surface

37
Q

Provide two additional terms for facial

A

Buccal/labial

38
Q

Provide another word for lingual

A

Palatal

39
Q

What does facial reference?

A

The outer most surface toward cheek or lips

40
Q

What does lingual reference?

A

Inner most surface toward the tongue or palate

41
Q

What does mesial reference?

A

Toward the the median line

42
Q

What does distal reference?

A

Away from the median line

43
Q

What does incisal reference?

A

The biting or insisting edge of anterior teeth

44
Q

What does occlusal reference?

A

The biting or chewing surface of posterior teeth

45
Q

What teeth would you locate an incisal edge?

A

Incisors and canines

46
Q

On what teeth would you find occlusal surfaces?

A

Premolars and molars

47
Q

What is a cusp

A

They are elevations or projection on a crown.

48
Q

What is a fossa

A

A depression or con cavity between cusps or ridges

49
Q

What is a ridge

A

A linear elevation on the surface of a tooth and is named according to its location

50
Q

What is the Cingulum

A

The lingual crown projection on anterior teeth

51
Q

What is a groove

A

The line between the primary parts of a crown or root

52
Q

What is a pit

A

A pinpoint depression at the junction or termination of a groove.

53
Q

What is a lobe

A

Primary center of development within a tooth

54
Q

What are mamelon

A

They are round projections of enamel on newly erupted teeth. They are incisal remnants of incisor development

55
Q

What is furcation

A

Where the root divides

56
Q

What is the root apex

A

The opening in the root for entrance of pulp

57
Q

What re the 3 parts of the pulp?

A

Pulp chamber, pulp horn, pulp canal

58
Q

What is pulp

A

The vascular innervated portion of the tooth

59
Q

What is the pulp chamber

A

The chamber containing the dental pulp

60
Q

What is the pulp horn

A

The highest projection of pulp chamber within the crown

61
Q

What is the pulp canal

A

The inner portion oof the root containing the dental pulp

62
Q

What is periodontium

A

The tissues that surround the teeth

63
Q

What is does periodontium include

A

Gingiva, cementum, alveolar bone, periodontal ligament

64
Q

What do gums or gingiva cover?

A

They cover the bone and surrounds the cervical portions of teeth

65
Q

What 3 sections are the gums divided into

A

Free gingiva, attached gingiva, interdental papilla

66
Q

What is the alveolar mucosa and what color is it typically

A

The loose attachment to the underlying bone, dark red

67
Q

What is the mucogingival junction

A

The junction of the alveolar mucosa and gingiva

68
Q

Describe free gingiva

A

Closer to the tooth crown, not attached to the bone

69
Q

Describe the free gingival groove

A

It separates attached gingiva from free gingiva

70
Q

Describe interdental papilla (or gingival papilla)

A

The triangular shaped gingiva that occupies the gingival embrasure

71
Q

Describe the gingival sulcus

A

It’s not seen visually, but can be evaluated with a periodontal probe.

72
Q

What is the space between tooth surface and narrow cervical collar of free gingiva

A

Gingival sulcus

73
Q

Describe periodontal ligament (PDL)

A

Surrounds tooth root and attached tooth to alveolar bone (periodontal fibers)

74
Q

Describe alveolar bone

A

Forms and supports tooth sockets, also known as alveolar process

structure basics (18 decks)

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