Module 16

Question 1

What are the structures involved in the periodontium

Answer 1

Gingiva
PDL
Cementum
Alveolar Bone

Question 2

In health the Crest of Alveolar Bone (alveolar crest) is __ to ___mm apical to the CEJ

Answer 2

1.5
2.0
(book answer)

Question 3

In health, the width of the PDL is ____mm

Answer 3

0.5

Question 4

Is the alveolar crest less or more radiopaque in the posterior region compared to the anterior region

Answer 4

less

Question 5

With periodontal disease, the gingiva exhibit?

Answer 5

varying degrees of inflammation

Question 6

The gingiva may appear __, ____, and ___ during periodontal disease

Answer 6

swollen
red
bleeding

Question 7

During periodontal disease, the alveolar crest appears ___, and _____ is seen

Answer 7

indistinct

bone loss

Question 8

Clinical information provides information about ___ while dental images permit evaluation of ______

Answer 8

soft tissues (gingiva)
bone

Question 9

A thorough clinical assessment must include ______

Answer 9

periodontal probing

Question 10

Dental images provide an overview of the amount of bone _____ and indicate the __, ___, and ____ resulting from periodontal disease

Answer 10

present
pattern
distribution
severity of loss

Question 11

What type of image, and what imaging technique are recommended to evaluate extent of periodontal disease

Answer 11

Periapical image

Paralleling technique

Question 12

The bisecting technique can cause a ____ of bone levels due to vertical angulation problems

Answer 12

dimensional distortion

Question 13

Horizontal BWX shouldn’t be used along to document ____ to ____ periodontal disease

Answer 13

moderate

severe

Question 14

The vertical BWX is best used for ___ and __ purposes

Answer 14

post-tx

follow up

Question 15

Furcation involvement may not be detected on a dental image because of?

Answer 15

superimposition of buccal and lingual bone

Question 16

Bone loss is often ___ advanced than is visible on films

Answer 16

more

Question 17

The amount of bone loss can be estimated as the difference between the ____ and __

Answer 17

physiologic bone level

height of remaining bone

Question 18

Bone loss is described in terms of the _____, _____, and _____ of loss

Answer 18

pattern
distribution
severity

Question 19

The pattern of bone loss can be described as ___ or _____

Answer 19

horizontal

vertical

Question 20

What is used as a reference in determining the pattern of bone loss

Answer 20

CEJ of adjacent teeth

Question 21

Horizontal bone loss occurs in a plane __ to the CEJ’s

Answer 21

parallel

Question 22

Vertical bone loss is also called?

Answer 22

Angular bone loss

Question 23

The distribution of bone loss is described as __ or ____

Answer 23

localized

generalized

Question 24

localized bone loss occurs in ____ areas and is less than ______% of the sites involved

Answer 24

isolated

30%

Question 25

Generalized bone loss occurs ____ with ____ than 30% of the sites involved

Answer 25

evenly throughout arches

more

Question 26

Severity of bone loss is described as _, ___, or _____

Answer 26

slight
moderate
severe

Question 27

The severity of bone loss is measured by the ______

Answer 27

CAL clinical attachment loss

Question 28

The CAL is measured with a _____ and is the measurement of the distance from the __ to the ___

Answer 28

Probe
CEJ
base of sulcus/perio pocket

Question 29

Slight bone loss =
Moderate bone loss =
Severe bone loss =

Answer 29

1-2 mm
3-4mm
5mm or more

Question 30

Horizontal bone loss is associated with ___ pockets

Answer 30

supra-boney

Question 31

Vertical bone loss is associated with ___ pockets

Answer 31

infra-boney

Question 32

If you see furcation involvement on an x-ray but can’t PROBE the furcation you should start thinking about?

Answer 32

possibility of an endodontic lesion

Question 33

What is a phenomenon seen in early periodontal disease where the PDL space widens at the crest of the interproximal septum.

Answer 33

Triangulation

Question 34

Class I periodontal disease is called?

Answer 34

Gingivitis

Question 35

Class II periodontal disease is called?

Answer 35

mild/slight periodontitis

Question 36

Class III periodontal disease is called?

Answer 36

moderate periodontitis

Question 37

Class IV periodontal disease is called?

Answer 37

severe/advanced periodontitis

Question 38

Class I perio:
There is _____ bone loss?
The crestal lamina dura is ____, and has a measurement of ____ to _____mm apical to the CEJ?

Answer 38

No
Intact
1-2mm

Question 39

Clinically: Class I perio

___ may or may not be present, and only ___is affected

Answer 39

bleeding

gingival tissues

Question 40

Class II perio:
There is ____ bone loss with ____ crestal changes. The crestal lamina dura appears_____?
There is less than _____% bone loss, with a measurement of _____ to ____mm apical to the CEJ

Answer 40

Horizontal
mild
unclear and fuzzy
(incipient loss)

Question 41

Clinically: Class II perio

_____ may occur during probing. There are ___ from attachment loss as well as localized areas of ___

Answer 41

bleeding
pocket depths
areas of recession

Question 42

Class III perio:
There is ___ to ___% bone loss in a _____pattern and ____ distribution?
The alveolar crest measurement is ____ to _____mm apical to the CEJ?
You may also see _____ involvement?

Answer 42

30-50% 
Horizontal/vertical
(localized/generalized)
4-6mm 
furcation

Question 43

Clinically: Class III

pocket depths and attachment loss up to _____mm. __, ____ and __ may also be present

Answer 43

6
recession
furcation
slight mobility

Question 44

Class IV periodontal disease:
There is greater than __% bone loss with a ___ pattern? The alveolar crest measurement is ___mm apical to the CEJ?
You get more _____ involvement?

Answer 44

50
horizontal/vertical
6+
furcation

Question 45

Clinically: Class IV
pocket depths and attachment loss is greater than _____mm?
_____ involvement and ___ are more severe

Answer 45

6
furcation
mobility

Question 46

Effects of certain ____, ____ used, and various medical conditions are all risk factors to periodontal disease

Answer 46

medications

tobacco

Question 47

An irregular border of alveolar crest may indicate___ ,____ ___ bone loss

Answer 47

faster

more active