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Dental Morphology > Pulp And Root Anatomy > Flashcards

Pulp And 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 and surrounding structures determine ____ for the teeth

A

Support

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3
Q

There is an important relationship of _____ to _____

A

Periodontal disease to restorative dentistry

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4
Q

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

A

Placement of restorations, crowns, and 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. Gingiva
  2. Alveolar bone
  3. Periodontal ligament
  4. Cementum
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7
Q

Covers the bone and surrounds the cervical portions of the teeth:

A

Gingiva

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8
Q

What is the visible part of the periodontium evaluated through oral 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 gingiva 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 mucosa that is firmly bound to underlying bone:

A

Attached gingiva

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12
Q

The attached gingiva extends between the:

A

Free gingiva and alveolar mucosa

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13
Q

Describe the tissue make up of attached gingiva:

A

Gray to light pink keratinized masticatory mucosa

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14
Q

The junction between the attached gingiva and the looser, alveolar mucosa

A

Mucogingival junction

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15
Q

Moveable, 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 exam

A

Gingival sulcus

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17
Q

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

A

Gingival sulcus

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18
Q

Covers the 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 and supports the tooth sockets:

A

Alveolar bone

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21
Q

Surrounds the tooth root and 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

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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 and pulp canals

26
Q

The functions of the pulp include: (4)

A
  1. Formative
  2. Nutritive
  3. Sensory
  4. Defensive
27
Q

What is the primary function of the pulp:

A

Formative- pulp cells from dentin

28
Q

What is the formative function of the pulp?

A

Pulp cells from 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 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, and bacterial insults

32
Q

The pulp chamber has a ____ with projections called ____.

A

Roof ; pulp horns

33
Q

Has a roof with projections called pulp horns:

A

Pulp chamber

34
Q

Extends from the floor of the pulp chamber to the apical foramen:

A

Root/pulp canal

35
Q

Where does the root/pulp canal extend from?

A

Floor for pulp chamber to apical foramen

36
Q

Opening of the pulp canal located at or near the root apex:

A

Apical foramen

37
Q

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

A

Accessory canals

38
Q

Small branches of pulp canals branching off the main canal:

A

Accessory canals

39
Q

How is the shape of the pulp chamber determined?

A

By contour of crown

40
Q

The shape of the pulp chamber follows the:

A

Size and number of cusps

41
Q

What 3 things is the size of the pulp chamber affected by:

A

Age, caries, trauma

42
Q

The pulp chamber size decreases with:

A

Age

43
Q

The pulp chamber size is reduced with:

A

Caries

44
Q

What may result in complete obliteration of the pulp space?

A

Trauma

45
Q

Inflammatory condition altering gingival tissues:

A

Gingivitis

46
Q

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

A
  1. Redness
  2. Rolled margins
  3. Smooth and shiny surface texture
  4. Loss of resiliency
  5. Bleeding upon probing
47
Q

Describe the progression of periodontitis:

A

Slow

48
Q

Loss of attachment and underlying bone with increased pocket depths:

A

Periodontitis

49
Q

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

A

Rapid attachment loss; inactivity

50
Q

What local factors are contributory to periodontitis?

A
  1. Restoration over hands
  2. Food impaction
  3. Open contacts
51
Q

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

A

Gingival recession

52
Q

The gingival margin is apical to ______ in gingival recession

A

CementoEnamel junction

53
Q

In gingival recession, the papilla may be:

A

Blunted or rounded

54
Q

Gingival recession may be a part of active ___ or previous ____ that is now ____

A

Active perio disease; previous disease now under control

55
Q

Gingival recession should NOT be considered:

A

Part of aging

56
Q

What conditions are contributory to gingival recession?

A
  1. Poorly aligned teeth
  2. Lack of attached gingiva
  3. Aggressive tooth brushing
57
Q

The branching point on a multi-rooted tooth:

A

Furcation

58
Q

In healthy individuals, furcation cannot be probed because:

A

They are filled with bone and periodontal attachment

59
Q

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

A

Furcation involvement

Dental Morphology (11 decks)

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