Intro to Caries

Question 1

What is the best definition for a dental caries lesion?

Answer 1

A multifactorial process of demineralization and concurrent remineralization, and are often reversible

Question 2

Drill, fill, and bill is what model?

Answer 2

Surgical model

Question 3

Treating the source of infection is what model?

Answer 3

Medical model

Question 4

What are the three categories in the multifactorial model of caries process?

Answer 4

1-Agent
2-Host
3-Environment

Question 5

What 3 main pathogens make up the “agent” portion of the caries process?

Answer 5

1-S. mutans
2-S. Sobrinus
3-Lactobacilli

*ANY pathogen could be pathogenic in the right environment

Question 6

What 4 things make up the “host” portion of the caries process?

Answer 6

1-The tooth
2-Saliva quantity
3-Saliva quality
4-Immune responses

Question 7

What is the main contributor to the “environment” portion of the caries process?

Answer 7

Dietary fermentable carbohydrates

Question 8

What gram-positive organism metabolizes sucrose to lactic acid and is the primary causative agent in the formation of dental caries?

Answer 8

Streptococcus mutans

Question 9

What tooth structure component is 95% mineral, 5% water of ectodermal origin, is avascular, acellular and cannot repair itself?

Answer 9

Enamel

Question 10

What tooth structure component is 75% inorganic, 20% organic, 5% water, has reparative mechanism and works in concert with the pulp?

Answer 10

Dentin