ADEX Study Guide 2026
Everything you need to pass the ADEX exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 ADEX Exam Format at a Glance
📚 ADEX Topics to Study (66)
✍️ Sample ADEX Questions & Answers
1. Which of the following best describes a pseudo-pocket (false pocket)?
A pseudo-pocket forms when gingival enlargement increases the probing depth without actual apical migration of the junctional epithelium or loss of attachment.
2. Which drug interaction should a dental hygienist be aware of when a patient reports taking a monoamine oxidase inhibitor (MAOI)?
MAOIs inhibit catecholamine breakdown, and epinephrine can cause dangerous hypertensive crisis; plain anesthetics without vasoconstrictors are recommended.
3. Which hepatitis virus is most commonly transmitted via contaminated dental instruments?
Hepatitis B virus (HBV) is a primary bloodborne pathogen of concern in dentistry due to its high survival rate on surfaces and low infectious dose.
4. Which of the following describes the radiographic appearance of enamel pearls (enamelomas)?
Enamel pearls are small deposits of ectopic enamel that appear as discrete radiopaque nodules, usually found in the furcation area of maxillary molars.
5. A child patient (8 years old, 25 kg) develops anaphylaxis. What is the correct epinephrine dose using an auto-injector?
Children weighing 15–30 kg should receive EpiPen Jr. (0.15 mg epinephrine), as the pediatric auto-injector delivers an appropriate weight-based dose for anaphylaxis management.
6. Which impression material is considered the most dimensionally accurate and is preferred for fixed prosthodontic impressions?
Polyvinyl siloxane (addition silicone) is considered the gold standard for fixed prosthodontic impressions due to its exceptional dimensional accuracy and stability.