Dental Caries

Which of these is NOT a stage of dental carious lesion development?

• White Area Lesion: Early Stage
• Intermediate Infection: Visible Lesion
• Cavitated Lesion
• Initial Infection: Invisible Lesion

Lactobacilli bacteria are most active during the initial stages of demineralization?

• True
• False

The use of air/water during carious lesion detection is not necessary?

• True
• False

Due to the use of fluoride in community water, incidences of caries have decreased by?

• 75%-85%
• 100%
• 40%-60%
• 35%-45%

Coronal caries are lesions that have passed through the enamel into the dentin?

• True
• False

Methods of detecting carious lesions include?

• Loupes
• Blunt probes
• Radiographs
• All of the above

According to the picture, what type of caries is depicted?

• Cavitated Lesion: root caries
• White Area: Later Stage (White Spot Lesion)
• Cavitated Lesion: coronal caries
• Initial Infection: Invisible Lesion   

Which factors must NOT be present in order for a carious lesion to form?

• Acidogenic bacteria
• Fermentable carbohydrates
• Saliva protective factors
• Acid production

Neutral pH minimizes remineralization while critical pH does not? 

• True
• False

Xerostomia increases buffering and promotes remineralization?

• True
• False