NBDHE Patient Education and Preventive Dentistry 3

Question 1

The Fones (circular) toothbrushing method is MOST appropriate for which patient population?

Accepted Answer

Young children learning to brush

Answer

Patients with deep periodontal pockets

Answer

Patients with exposed root surfaces

Answer

Orthodontic patients with brackets

Question 2

Which xylitol mechanism contributes to its anti-caries effect?

Accepted Answer

It is non-fermentable by oral bacteria, starving them of energy

Answer

It kills S. mutans by lowering pH rapidly

Answer

It neutralizes plaque acid by releasing hydroxyl ions

Answer

It inhibits salivary amylase activity

Question 3

A patient presents with white-spot lesions on smooth surfaces. What is the MOST appropriate preventive intervention?

Accepted Answer

Increased fluoride application and dietary counseling

Answer

Immediate composite restoration

Answer

Fissure sealant placement

Answer

Extraction and implant planning

Question 4

Silver diamine fluoride (SDF) is used in caries management primarily for which purpose?

Accepted Answer

Arresting active carious lesions without drilling

Answer

Whitening discolored dentin

Answer

Replacing traditional fluoride varnish in all patients

Answer

Treating dentinal hypersensitivity only

Question 5

The CAMBRA (Caries Management by Risk Assessment) model categorizes patients into risk levels to guide treatment. A patient with active white spots, high S. mutans, and low salivary flow is placed in which category?

Accepted Answer

Extreme risk

Answer

Low risk

Answer

Moderate risk

Answer

High risk

Question 6

Which behavior change theory emphasizes that a patient must perceive a health threat as severe AND feel susceptible before taking preventive action?

Accepted Answer

Health Belief Model

Answer

Social Cognitive Theory

Answer

Transtheoretical Model

Answer

Theory of Planned Behavior