Week 3

Question 1

One of the most common diseases in humans is

Answer 1

Dental caries

Question 2

Dental caries is a

Answer 2

Multifactorial disease process

Question 3

Dental carries is characterized by the

Answer 3

Acid dissolution of enamel and eventual breakdown of the more organic inner dental tissues

Question 4

What is the microorganism identified as the primary causative agent in the dental caries process

Answer 4

Mutans streptococcus

Question 5

Bacteria on tooth surface biofilm metabolize acid from the

Answer 5

Fermentable carbohydrates ingested by the individual

Question 6

Through a complex process what is produced and colonized by Acidogenic bacteria

Answer 6

A sticky dextran matrix

Question 7

Two groups of bacteria predominant in the caries process which are

Answer 7

Mutans streptococcus
Lactobacillus species

Question 8

What bacteria is most active during the demineralization process

Answer 8

Mutans streptococci

Question 9

What bacteria is more active during the progression of the cavity

Answer 9

Lactobacillus

Question 10

Acids produced include

Answer 10

Acetic
Lactic
Formic
Propionic

Question 11

Tooth cavitation is best known as

Answer 11

Carious lesions or cavity

Question 12

What are the frequent fermentable carbohydrates

Answer 12

Sucrose
Fructose
Glucose
Starch

Question 13

What has a strong influence on the amount of acid produced and the extent of tooth destruction

Answer 13

The frequency of ingested sugary foods by the client

Question 14

What is the process of dental caries

Answer 14

Susceptible tooth surface
Cariohenic bacteria
Dietary fermentable carbohydrates (especially sucrose)

Question 15

What is demineralization

Answer 15

The process by which the minerals of the tooth are dissolved by the organic acids produced by fermentable carbs by the Acidogenic bacteria

Question 16

Demineralization is the first stage of dental caries process in which

Answer 16

Calcium and phosphate minerals are dissolved from the tooth surface by plaque biofilm acids

Question 17

What is remineralization

Answer 17

Deposition of minerals into previously damaged areas of a tooth

Question 18

In the process of remineralization what is replenished to the damaged tooth structure

Answer 18

Calcium
Phosphate
And fluoride ions

Question 19

What 2 things provide protective factors in promoting remineralization

Answer 19

Saliva
Fluoride

Question 20

What acts as a BUFFER to acids and supplies minerals to replace lost calcium and phosphate during demineralization

Answer 20

Saliva

Question 21

Saliva provides a continuous source for?

Answer 21

Fluoride transport to the tooth

Question 22

What are a few contributing factors to progression or development of dental caries

Answer 22

Time and pH of biofilm

Question 23

Biofilm pH before eating rages from?

Answer 23

6.2-7.0

Question 24

Immediately following sucrose intake into biofilm what occurs

Answer 24

A rapid drop in biofilm pH occurs

Question 25

Critical pH for enamel demineralization averages

Answer 25

4.5-5.5

Question 26

Demineralization for cementum averages what pH?

Answer 26

6.0-6.7

Question 27

The amount of demineralization depends on the

Answer 27

Amount of time and frequency of which the acid is in contact with the tooth

Question 28

What is an incipient lesion

Answer 28

Carious lesion limited to the enamel surface only

Question 29

Describe subsurface demineralization

Answer 29

Acid passes through the pores of enamel, loss of calcium and phosphorus