Perio Final Review

Question 1

The presence or absence of the interdental col is dependent on what?

Answer 1

The contact point

Question 2

Will there still be an interdental col if there is no contact point?

Answer 2

No

Question 3

Does free gingiva have keratin?

Answer 3

Yes

Question 4

Does attached gingiva have keratin?

Answer 4

Yes

Question 5

Does the interdental papilla have keratin?

Answer 5

Yes

Question 6

Does the alveolar mucosa have keratin?

Answer 6

No

Question 7

What type of mucosa is on the dosrum of the tongue?

Answer 7

Specialized

Question 8

The PDL is made of what type of fibers, and what is it not made of?

Answer 8

It is made of collagen fibers, and not elastic fibers

Question 9

What is the width of the PDL?

Answer 9

0.25 mm

Question 10

What are PDL fibers shaped like? And what are they not?

Answer 10

They are wavy, not straight

Question 11

T/F Oblique fibers of the pPDL are inserted in the alveolar bone at a more apical level than in the cementum

Answer 11

False-the oblique fibers are more apical at the cementum than the alveolar bone

Question 12

Where are Sharpey’s fibers found?

Answer 12

They are part of collagen fibers found in bone/cementum

Question 13

What is the bundle bone?

Answer 13

The part of the alveolar process where Sharpey’s fibers are present

Question 14

What is an example where pink gingiva does not mean healthy gums?

Answer 14

Fibrosis

Question 15

Why is the alveolar mucosa redder than gingiva?

Answer 15

There is keratin in the gingiva

Question 16

Does cementum have blood vessels and nerves? Doe the alveolar bone have blood vessels and nerves?

Answer 16

No to cementum, yes to alveolar bone

Question 17

What two types of calculus are removed during a prophy?

Answer 17

1. Supragingival

2. Subgingival

Question 18

What is the primary etiology of perio disease?

Answer 18

Bacterial plaque biofilm

Question 19

What is the secondary etiology of perio disease?

Answer 19

Calculus, host response, smoking, etc.

Question 20

All calculus is lined what what?

Answer 20

Plaque

Question 21

Plaque hardens into what?

Answer 21

Calculus

Question 22

What is the most common way that the cementum and enamel can articulate?

Answer 22

The cementum overlaps the enamel

Question 23

What is the pathway of inflammation?

Answer 23

gingiva->PDL->bone

Question 24

What three types of bacteria are not found in a perio lesion?

Answer 24

1. Cocci
2. Gram positive
3. Aerobic

Question 25

What three types of bacteria are generally found in perio lesions? What is one specific example?

Answer 25

1. Bacillus
2. Gram negative
3. Anaerobic
   Example: Spirochetes

Question 26

According to the ADA and CDC, how many people suffer gum disease?

Answer 26

47.2% (so essentially 50%)