Free NBDE Part II Questions and Answers

Question 1

Enamel's structural degeneration is brought on by:

Accepted Answer

Lowered pH

Answer

Increase pH

Answer

Neutralize pH

Answer

Acidogenic

Question 2

For remineralization of onset lesions to take place, what must be ample?

Accepted Answer

Fluoride

Answer

Bacteria

Answer

Dentin

Answer

Acidogenic

Question 3

What allows caries to infiltrate the dento-enamel junction?

Accepted Answer

Frank caries

Answer

Enamel caries

Answer

Fissure caries

Answer

Pit caries

Question 4

What is the most prevalent cariogenic bacterium at the root surface of caries?

Accepted Answer

Actinomyces viscus

Answer

Veillonella

Answer

Streptococcus salivarious

Answer

Lactobacilli

Question 5

Which three regions of carious dentin can remineralize?

Accepted Answer

Normal dentin, sub-transparent dentin, and transparent dentin

Answer

Normal dentin, transparent dentin, and infected dentin

Answer

Turbid dentin, infected dentin, and sub-transparent dentin

Answer

Transparent dentin, turbid dentin, and infected dentin

Question 6

Caries can be successfully diagnosed and treated by:

Accepted Answer

Good patient history, complete clinical evaluation, radiographic analysis, and comprehensive risk assessment

Answer

Good patient history, initial clinical evaluation, radiographic analysis, and quantity of saliva output

Answer

Good patient history, visible plaque, blood pressure evaluation, and saliva output

Answer

Good patient history, amount of fluoride intake, clinical evaluation, and risk assessment

Question 7

What type of caries has a sudden start and severe oral decay?

Accepted Answer

Rampant caries

Answer

Arrested caries

Answer

Tubular caries

Answer

Carious lesion

Question 8

Remineralization is described as being hard, discolored, asymptomatic:

Accepted Answer

Arrested caries

Answer

Rampant caries

Answer

Acute caries

Answer

Frank caries

Question 9

Beta-blockers, antipsychotics, diuretics, and anticholinergics are a few examples of medications that contribute to the reduction in:

Accepted Answer

Saliva production

Answer

Urine production

Answer

White blood cell production

Answer

Tear production

Question 10

To identify dental caries:

Accepted Answer

Visual and tactical

Answer

Visual only

Answer

Tactical only

Answer

Visual and tactical if aided by X-ray