Ch.15 Dental Caries

Question 1

Cementum is more susceptible to root caries than enamel because :

Answer 1

It has less mineral content and is more soluble

Question 2

Besides dry mouth what is another thing xerostomia can cause?

Answer 2

Reduced salivary flow

Question 3

True or False: dental plaque contains food debris and does to contain bacteria

Answer 3

False

Question 4

_________ caries is the first stage of development of a various lesions.

Answer 4

Incipient

Question 5

Early childhood caries is the most preventive disease of _____________.

Answer 5

Tooth decay

Question 6

Doing this three times a day will increase saliva flow, neutralize mouth acids, and assist in the remineralization of tooth surface;

Answer 6

Chewing xylitol gum

Question 7

Mutants Streptococci and lactobacilli are groups of bacterial responsible for ____________ .

Answer 7

Dental caries

Question 8

What are the three factors for development of caries?

Answer 8

Susceptible tooth
Specific bacteria
Fermentable carbohydrates

Question 9

An increase of saliva flow can ______ or ________ the caries process

Answer 9

Slow / prevent

Question 10

The __________ includes the causes of dental caries, process of caries development, science and practice of caries management and prevention

Answer 10

Study of cariology

Question 11

___________ _______ is caused by the bacterial acid released after eating fermentable carbohydrates.
___________ _______ also is increased as fermentable carbohydrates are exposed and eaten more frequently

Answer 11

Incipient caries
Rampant caries

Question 12

____________ is an infectious disease in which children live in constant pain from decayed primary teeth and swollen gum.

Answer 12

Early childhood caries

Question 13

A DIAGNOdent reading of greater than 80 indicated which action?

Answer 13

Reclean, dry, and re-examine the tooth.

Question 14

_____________ bacteria is found in relatively large numbers in dental plaque

Answer 14

Streptococci mutants

Question 15

The __________ __________ is dependent on the water content in saliva and the amount or flow of saliva

Answer 15

Physical protection

Question 16

Advances in ________ will provide dental professionals with a rapid method of assessing a patients risk for dental caries

Answer 16

CAMBRA

Question 17

Pits and fissure caries occur primary on ________ surfaces

Answer 17

Occlusal

Question 18

What does the “M” in CAMBRA stand for?

Answer 18

Management

Question 19

True or False: Several types of devices have been developed that can provide a high level of discrimination than an explorer in the diagnosis of dental caries

Answer 19

True

Question 20

___________________ occurs when calcium and phosphate dissolves from hydroxyapatite in the enamel.

Answer 20

Demineralization

Question 21

A ________ caries detector cannot be used to detect caries under an amalgam restoration.

Answer 21

Laser

Question 22

Dental caries is a communible ____________ disease

Answer 22

Chronic / bacterial infection

Question 23

Bacteria in dental plaque feed on _______________ including sugars, cooked starches, and fruit sugar

Answer 23

Fermentable carbohydrates

Question 24

____________ is the primary reason why root caries is becoming more prevalent

Answer 24

People are keeping their teeth longer

Question 25

When using a laser caries detector on a clean healthy tooth will have little or no fluorescence , resulting in a __________ reading

Answer 25

Very low

Question 26

Saliva flow rate and bacterial testing is an example of ___________ assessment tests

Answer 26

Caries risk

Question 27

____________ are the most common source of transmission of disease causing mutans streptococci to infants

Answer 27

Mothers

Question 28

True or False: demineralization and remineralization always causes loss of tooth structure

Answer 28

False

Question 29

Early childhood caries is not as common in kids living in areas with _________ water

Answer 29

Fluoridated

Question 30

True or FAlse: laser caries detector is not useful for locating subgingival caries

Answer 30

True