Pulp & 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 & surrounding structures determine ____ for teeth

Answer 2

Support

Question 3

There is an important relationship of ___ to ______

Answer 3

Periodontal disease; restorative dentistry

Question 4

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

Answer 4

Placement of restorations, crowns & periodontal debridement

Question 5

The tissues that surround the teeth:

Answer 5

Periodontium

Question 6

The Periodontium includes:

Answer 6

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

Question 7

Covers the bone & surrounds the cervical portions of teeth

Answer 7

Gingiva

Question 8

The visible part of evaluated through 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 gingival from the free gingiva

Answer 10

Free gingival groove

Question 11

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

Answer 11

Attached gingivca

Question 12

The attached gingiva extends between:

Answer 12

Free gingival & alveolar mucosa

Question 13

Describe the tissue makeup of attached gingiva:

Answer 13

Grey to light pink keratinized masticatory mucosa

Question 14

The junction between the attached gingiva & looser alveolar mucosa

Answer 14

Mucogingival junction

Question 15

Movable, 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 examination

Answer 16

Gingival sulcus

Question 17

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

Answer 17

Gingival sulcus

Question 18

Covers roots of the teeth

Answer 18

Cementum

Question 19

The alveolar bone may also be called:

Answer 19

Alveolar process

Question 20

Forms & supports the tooth sockets

Answer 20

Alveolar bone

Question 21

Surrounds the tooth root & 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 Pulp canal(s)

Question 26

The functions of the pulp (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 form dentin

Question 28

What is the formative function of the pulp?

Answer 28

Pulp cells form 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 the 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 & bacterial insults

Question 32

The pulp chamber has a roof with projections called ____

Answer 32

pulp horns

Question 33

Extends from floor of pulp chamber to apical foramen

Answer 33

Root/pulp canal

Question 34

Where does the root/pulp canal extend from:

Answer 34

Floor of pulp chamber to apical foramen

Question 35

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

Answer 35

Apical foramen

Question 36

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

Answer 36

Accessory canals

Question 37

How is the shape of the pulp canal determined?

Answer 37

By contour of crown

Question 38

The shape of the pulp chamber follows the:

Answer 38

Size & number of cusps

Question 39

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

Answer 39

1- age 2- caries 3- trauma

Question 40

The pulp chamber size decreases with:a

Answer 40

Age

Question 41

The pulp chamber size is reduced with:

Answer 41

Caries

Question 42

What may result in complete obliteration of the pulp space?

Answer 42

Trauma

Question 43

Inflammatory condition altering gingival tissues

Answer 43

Gingivitis

Question 44

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

Answer 44

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

Question 45

Describe the progression of periodontitis:

Answer 45

Slow

Question 46

Loss of attachment of underlying bone with increased pocket depths

Answer 46

Periodontitis

Question 47

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

Answer 47

Rapid attachment loss; periods of inactivity

Question 48

What local factors are contributory to periodontitis?

Answer 48

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

Question 49

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

Answer 49

Gingival recession

Question 50

Gingival margin is apical to ____ in gingival recession

Answer 50

Cementoenamel junction

Question 51

In gingival recession, the papillae may be:

Answer 51

Blunted or rounded

Question 52

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

Answer 52

Perio disease; previous disease that is now under control

Question 53

Gingival recession should NOT be considered:

Answer 53

Part of aging

Question 54

What conditions are contributory to gingival recession?

Answer 54

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

Question 55

The branching point on a multi-rooted tooth:

Answer 55

Furcation

Question 56

In healthy individuals furcations cannot be probed because:

Answer 56

They are filled with bone & periodontal attachment

Question 57

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

Answer 57

Furcation involvement