NDAEB Written Exam

Question 1

When taking a panoramic radiograph, a patient's chin was tilted too low. Which of the following errors will be visible on the resulting image?

A flattened or 'frown-like' occlusal plane An exaggerated 'Joker-like' smile line Narrowed and blurred anterior teeth A radiopaque cone-shaped artifact in the center

Correct Answer:

An exaggerated 'Joker-like' smile line

Question 2

A dental assistant is providing post-operative instructions to a patient who has just had a tooth extracted. Which instruction is critical to prevent a dry socket?

"Rinse your mouth vigorously with warm salt water immediately when you get home." "Apply a warm compress to the area for the first 24 hours to reduce pain." "Avoid drinking through a straw for the next 5-7 days." "Brush the extraction site thoroughly to keep it clean."

Correct Answer:

"Avoid drinking through a straw for the next 5-7 days."

Question 3

During the application of a dental dam for a procedure on tooth 3.6, the dental assistant punches the hole for the anchor tooth. Which hole size on a standard multi-hole punch is most appropriate for a mandibular molar?

The smallest hole The second smallest hole The medium hole The largest hole

Correct Answer:

The largest hole

Question 4

A patient in the dental chair suddenly becomes pale, begins to sweat, and complains of feeling faint. They have not lost consciousness. What is the immediate, primary action the dental assistant should take?

Administer aromatic spirits of ammonia. Place the patient in a supine position with their feet slightly elevated. Offer the patient a sugary drink or glucose tablet. Retrieve the emergency oxygen tank and prepare it for use.

Correct Answer:

Place the patient in a supine position with their feet slightly elevated.

Question 5

When taking a preliminary alginate impression for a diagnostic model, which of the following is a key criterion for a clinically acceptable maxillary impression?

The impression material is flush with the posterior edge of the tray. The tray is visible through the alginate in the palatal area. The maxillary tuberosity and hamular notch are clearly captured. The lingual frenum is fully extended and visible.

Correct Answer:

The maxillary tuberosity and hamular notch are clearly captured.

Exam overview

About this Exam

Prepare with the NDAEB Written Exam practice quiz. This question bank includes 188 questions covering dental, patient, assistant, primary, and tooth. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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NDAEB Written Exam

This practice set contains 188 questions from the matching question bank and focuses on dental, patient, assistant, primary, and tooth. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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NDAEB Written Exam

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