Pulp And Root Anatomy

Question 1

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

Answer 1

Function; occlusal

Question 2

The root morphology and surrounding structures determine ____ for the teeth

Answer 2

Support

Question 3

There is an important relationship of _____ to _____

Answer 3

Periodontal disease to restorative dentistry

Question 4

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

Answer 4

Placement of restorations, crowns, and periodontal debridement

Question 5

The tissues that surround the teeth

Answer 5

Periodontium

Question 6

The periodontium includes:

Answer 6

1. Gingiva
2. Alveolar bone
3. Periodontal ligament
4. Cementum

Question 7

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

Answer 7

Gingiva

Question 8

What is the visible part of the periodontium evaluated through oral examination:

Answer 8

Gingiva

Question 9

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

Answer 9

Free gingiva

Question 10

Separates the attached gingiva from the free gingiva:

Answer 10

Free gingival groove

Question 11

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

Answer 11

Attached gingiva

Question 12

The attached gingiva extends between the:

Answer 12

Free gingiva and alveolar mucosa

Question 13

Describe the tissue make up of attached gingiva:

Answer 13

Gray to light pink keratinized masticatory mucosa

Question 14

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

Answer 14

Mucogingival junction

Question 15

Moveable, dark pink to red tissue apical to the Mucogingival junction:

Answer 15

Alveolar mucosa

Question 16

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

Answer 16

Gingival sulcus

Question 17

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

Answer 17

Gingival sulcus

Question 18

Covers the roots of the teeth

Answer 18

Cementum

Question 19

The alveolar bone may also be called:

Answer 19

Alveolar process

Question 20

Forms and supports the tooth sockets:

Answer 20

Alveolar bone

Question 21

Surrounds the tooth root and attaches to the alveolar bone:

Answer 21

Periodontal ligament (PDL)

Question 22

What makes up the periodontal ligament?

Answer 22

Oblique periodontal fibers

Question 23

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

Answer 23

Pulp

Question 24

The outline of the pulp cavity follows the:

Answer 24

External outline of the tooth

Question 25

The pulp cavity can be divided into:

Answer 25

Pulp chamber and pulp canals

Question 26

The functions of the pulp include: (4)

Answer 26

1. Formative 2. Nutritive 3. Sensory 4. Defensive

Question 27

What is the primary function of the pulp:

Answer 27

Formative- pulp cells from dentin

Question 28

What is the formative function of the pulp?

Answer 28

Pulp cells from dentin

Question 29

What is the nutritive function of the pulp:

Answer 29

Supply the tooth with blood

Question 30

What is the sensory function of pulp?

Answer 30

Nerve supply to tooth

Question 31

What is the defensive function of the pulp?

Answer 31

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

Question 32

The pulp chamber has a ____ with projections called ____.

Answer 32

Roof ; pulp horns

Question 33

Has a roof with projections called pulp horns:

Answer 33

Pulp chamber

Question 34

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

Answer 34

Root/pulp canal

Question 35

Where does the root/pulp canal extend from?

Answer 35

Floor for pulp chamber to apical foramen

Question 36

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

Answer 36

Apical foramen

Question 37

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

Answer 37

Accessory canals

Question 38

Small branches of pulp canals branching off the main canal:

Answer 38

Accessory canals

Question 39

How is the shape of the pulp chamber determined?

Answer 39

By contour of crown

Question 40

The shape of the pulp chamber follows the:

Answer 40

Size and number of cusps

Question 41

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

Answer 41

Age, caries, trauma

Question 42

The pulp chamber size decreases with:

Answer 42

Age

Question 43

The pulp chamber size is reduced with:

Answer 43

Caries

Question 44

What may result in complete obliteration of the pulp space?

Answer 44

Trauma

Question 45

Inflammatory condition altering gingival tissues:

Answer 45

Gingivitis

Question 46

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

Answer 46

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

Question 47

Describe the progression of periodontitis:

Answer 47

Slow

Question 48

Loss of attachment and underlying bone with increased pocket depths:

Answer 48

Periodontitis

Question 49

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

Answer 49

Rapid attachment loss; inactivity

Question 50

What local factors are contributory to periodontitis?

Answer 50

1. Restoration over hands 2. Food impaction 3. Open contacts

Question 51

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

Answer 51

Gingival recession

Question 52

The gingival margin is apical to ______ in gingival recession

Answer 52

CementoEnamel junction

Question 53

In gingival recession, the papilla may be:

Answer 53

Blunted or rounded

Question 54

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

Answer 54

Active perio disease; previous disease now under control

Question 55

Gingival recession should NOT be considered:

Answer 55

Part of aging

Question 56

What conditions are contributory to gingival recession?

Answer 56

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

Question 57

The branching point on a multi-rooted tooth:

Answer 57

Furcation

Question 58

In healthy individuals, furcation cannot be probed because:

Answer 58

They are filled with bone and periodontal attachment

Question 59

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

Answer 59

Furcation involvement