Intro to Perio

Question 1

Cementum is similar to bone except it has no…. (4)

Answer 1

1. no blood vessels
2. no lymph vessels
3. no innervation
4. no physiological resorption/remodeling

Question 2

Cementum does have continuing… is made up of… and has a high….content

Answer 2

• continuing deposition throughout life
• made of collagen fibers
• high mineral content, mainly hydroxyapatite

Question 3

Periodontal structures include… (4)

Answer 3

1. gingiva
2. periodontal ligament
3. bone
4. cementum

Question 4

A…. surface, … consistency and … margin are characteristics for healthy gingiva

Answer 4

1. dull surface
2. firm consistency
3. scalloped margin

Question 5

The gingival margin should be…. mm coronal to CEJ

Answer 5

1.5-2mm

Question 6

The periodontal ligament is made up of bundles of… fibers divided according to their…

Answer 6

• collagen

- arrangement

Question 7

The 4 divisions of collagen fibers are

Answer 7

1. alveolar crest fibers
2. horizontal fibers
3. oblique fibers
4. apical fibers

Question 8

The main difference between gingivitis and periodontitis is that..

Answer 8

gingivitis is confined to the gingiva

Question 9

For mobility:
0:
1:
2:
3:

Answer 9

0- no movement
1-slight
2-modrate
3-extreme

Question 10

gingival recession
(-) -
0-
(+)-

Answer 10

(-) covers CEJ
0- at CEJ
(+) apical to CEJ

Question 11

Furcation grades
I
II
III

Answer 11

I- incipient
II- definitely catch into furcation
III- through and through