Unit 3 part 2

Question 1

How longer after acid ingestion does it clear from the mouth?

Answer 1

20 min

Question 2

Fluoride is considered a ——– agent?

Answer 2

Bacteriostatic

Question 3

In smooth surface caries the disease apex is pointing towards the?

Answer 3

Occlusal surface

Question 4

In P&F caries the disease apex is pointing towards the?

Answer 4

DEJ

Question 5

Streptococcus Mutan bacteria covert —— to ——-

Answer 5

Food (sugar)

Lactic acid

Question 6

What forms the sticky matrix of dental plaque?

Answer 6

Dextrans

Question 7

Outer surface caries is termed ——– caries?

Answer 7

Incipient

Question 8

Once caries is through enamel it spreads —?

Answer 8

Laterally

Question 9

Endogenous means ——– and causes —— staining?

Answer 9

Comes from within

Intrinsic

Question 10

What is the most prevalent cause of intrinsic staining?

Answer 10

Tetracycline

Question 11

Tetracycline has an affinity for what tooth forming structure?

Answer 11

Hydroxyapatite crystals

Question 12

What people shouldn’t take tetracycline?

Answer 12

Pregnant women

Kids under 12

Question 13

——- ppm is normal fluoride level in water?

Answer 13

0.7

Question 14

Fluorosis occurs when concentration of fluoride exceeds ——-ppm?

Answer 14

5

Question 15

Everyone has an ——- whiteness ability?

Answer 15

Inherent

Question 16

Blood pigments come from leaking of —— from —– —— entering into the dentin all tubules?

Answer 16

RBC

Pulpal vessels

Question 17

———- pigments cause extrinsic stains?

Answer 17

Exogenous

Question 18

What are the 2 common types of extrinsic stains?

Answer 18

Plaque

Calculus

Question 19

Brown stains come from?

Answer 19

Coffee
Tea
Tobacco

Question 20

Some black, brown, green, and orange stains come from —— ——?

Answer 20

Chromogenic bacteria

Question 21

——— mouth rinse can cause brown staining of plaque?

Answer 21

Chlorhexidine

Question 22

What tooth is most often missing?

Answer 22

Wisdom teeth

Question 23

Failure of initiation of tooth development results in?

Answer 23

Complete Anodontia

Question 24

Partial Anodontia or ——— often affects — teeth only?

Answer 24

Oligodontia

Permanent

Question 25

At least 1 wisdom tooth is missing in —–% of population?

Answer 25

25

Question 26

What is the 2nd tooth to be congenitally missing?

Answer 26

MX lateral

Question 27

———- usually is a result of a delay in the eruption of permanent dentition?

Answer 27

Pseudoanodontia

Question 28

What baby tooth is most often to ankylos?

Answer 28

Molar

Question 29

Supernumerary teeth are most often located?

Answer 29

MX midline
3rd molar area
Canine area

Question 30

A peg lateral is a name of a tooth in the ——- category

Answer 30

Microdontia

Question 31

Macrodontia is rare and often seen in people with what disease?

Answer 31

Pituitary giantism

Question 32

A tooth seen with 2 roots but 1 crown is termed a —– tooth?

Answer 32

Fused

Question 33

Germination is a tooth with —– root/s and ——- crown/s?

Answer 33

1

2

Question 34

What is the term for a tooth in a tooth?

Answer 34

Dens in dente

Question 35

Dens in dente is also termed a —— ——?

Answer 35

Dental invagination

Question 36

A ——– is a 90 degree curved root. It is usually curved towards the —–?

Answer 36

Dilaceration

Distal

Question 37

——– is a term for a tooth with elongated pulp chambers and short roots?

Answer 37

Taurodontia ( bull tooth )

Question 38

A ——– is the union of cemental region of two teeth

Answer 38

Concrescence