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Dental Morphology > Pulp & Root Anatomy > Flashcards

Pulp & Root Anatomy Flashcards

1
Q

The anatomy of the crown of a tooth is significant to the _____ from a _____ standpoint

A

Function
Occlusal

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2
Q

The root morphology & surrounding structures determine ____ for teeth

A

Support

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3
Q

There is an important relationship of ___ to ______

A

Periodontal disease; restorative dentistry

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4
Q

The important relationship of periodontal disease to restorative dentistry impacts the:

A

Placement of restorations, crowns & periodontal debridement

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5
Q

The tissues that surround the teeth:

A

Periodontium

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6
Q

The Periodontium includes:

A

1- cementum
2- gingiva
3- alveolar bone
4- periodontal ligament

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7
Q

Covers the bone & surrounds the cervical portions of teeth

A

Gingiva

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8
Q

The visible part of evaluated through examination

A

Gingiva

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9
Q

The most incisal unattached portion; surrounds the tooth to form a collar of tissue with a space or sulcus

A

Free gingiva

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10
Q

Separates the attached gingival from the free gingiva

A

Free gingival groove

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11
Q

The zone of gray to light or coral pink keratinized masticatory oral mucosa that is firmly bound to underlying bone

A

Attached gingivca

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12
Q

The attached gingiva extends between:

A

Free gingival & alveolar mucosa

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13
Q

Describe the tissue makeup of attached gingiva:

A

Grey to light pink keratinized masticatory mucosa

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14
Q

The junction between the attached gingiva & looser alveolar mucosa

A

Mucogingival junction

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15
Q

Movable, dark pink to red tissue; apical to the Mucogingival junction

A

Alveolar mucosa

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16
Q

Not seen visually but can be evaluated with a periodontal probe during examination

A

Gingival sulcus

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17
Q

Space between the tooth sulcus & narrow cervical collar of free gingiva

A

Gingival sulcus

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18
Q

Covers roots of the teeth

A

Cementum

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19
Q

The alveolar bone may also be called:

A

Alveolar process

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20
Q

Forms & supports the tooth sockets

A

Alveolar bone

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21
Q

Surrounds the tooth root & attaches to the alveolar bone:

A

Periodontal ligament (PDL)

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22
Q

What makes up the periodontal ligament:

A

Oblique periodontal fibers

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23
Q

Soft tissue component of the tooth that occupies the internal cavity of the tooth:

A

Pulp

24
Q

THe outline of the pulp cavity follows the:

A

External outline of the tooth

25
Q

The pulp cavity can be divided into:

A

Pulp chamber
Pulp canal(s)

26
Q

The functions of the pulp (4)

A

1- formative
2- nutritive
3- sensory
4- defensive

27
Q

What is the primary function of the pulp?

A

Formative- pulp cells form dentin

28
Q

What is the formative function of the pulp?

A

Pulp cells form dentin

29
Q

What is the nutritive function of the pulp?

A

Supply the tooth with blood

30
Q

What is the sensory function of the pulp?

A

Nerve supply to tooth

31
Q

What is the defensive function of the pulp?

A

Forms reparative dentin in response to mechanical, thermal, chemical & bacterial insults

32
Q

The pulp chamber has a roof with projections called ____

A

pulp horns

33
Q

Extends from floor of pulp chamber to apical foramen

A

Root/pulp canal

34
Q

Where does the root/pulp canal extend from:

A

Floor of pulp chamber to apical foramen

35
Q

Opening of the pulp canal locate at or near the root apex

A

Apical foramen

36
Q

May be present; small branches of pulp canals branching off main canal

A

Accessory canals

37
Q

How is the shape of the pulp canal determined?

A

By contour of crown

38
Q

The shape of the pulp chamber follows the:

A

Size & number of cusps

39
Q

What three things is the size of the pulp chamber affected by:

A

1- age
2- caries
3- trauma

40
Q

The pulp chamber size decreases with:a

A

Age

41
Q

The pulp chamber size is reduced with:

A

Caries

42
Q

What may result in complete obliteration of the pulp space?

A

Trauma

43
Q

Inflammatory condition altering gingival tissues

A

Gingivitis

44
Q

What are the clinical changes evaluated as indicators of gingival health vs. disease?

A

1- redness
2- rolled margins
3- smooth & shiny surface texture
4- loss of resiliency
5- bleeding upon probing

45
Q

Describe the progression of periodontitis:

A

Slow

46
Q

Loss of attachment of underlying bone with increased pocket depths

A

Periodontitis

47
Q

Periodontitis is typically a slowly progressive disease but may have times of _____ followed by periods of _____

A

Rapid attachment loss; periods of inactivity

48
Q

What local factors are contributory to periodontitis?

A

1- restoration overhand
2- food impaction
3- open contacts

49
Q

Apical migration of gingival tissue (with underlying bone loss) resulting in exposure of root surface

A

Gingival recession

50
Q

Gingival margin is apical to ____ in gingival recession

A

Cementoenamel junction

51
Q

In gingival recession, the papillae may be:

A

Blunted or rounded

52
Q

Gingival recession may be a part of active ______ or previous _________ that is ______

A

Perio disease; previous disease that is now under control

53
Q

Gingival recession should NOT be considered:

A

Part of aging

54
Q

What conditions are contributory to gingival recession?

A

1- poorly aligned teeth
2- lack of attached gingiva
3- aggressive tooth brushing

55
Q

The branching point on a multi-rooted tooth:

A

Furcation

56
Q

In healthy individuals furcations cannot be probed because:

A

They are filled with bone & periodontal attachment

57
Q

With advanced perio disease, attachment loss & bone loss may reach a furcation area resulting:

A

Furcation involvement

Dental Morphology (11 decks)

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