DANB CDA Study Guide 2026
Everything you need to pass the DANB CDA 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.
DANB CDA exam key facts
- DANB's Board sets the CDA exam pass point using standard psychometric procedures for criterion-referenced exams, and candidates must score at or above it to pass. Source
- The DANB Certified Dental Assistant (CDA) exam costs $450 for traditional candidates ($425 for active military), including a $75 nonrefundable application fee. Source
- DANB places no limit on how many times a candidate may retake a failed CDA component exam, but each retake requires a new application and the full fee. Source
- DANB CDA certification is valid for one year, and the RHS, ICE and GC exams must all be passed within a five-year period to earn it. Source
📋 DANB CDA Exam Format at a Glance
📚 DANB CDA Topics to Study (21)
✍️ Sample DANB CDA Questions & Answers
1. A white, non-wipeable lesion on the oral mucosa that cannot be classified as any other condition is termed:
Leukoplakia is defined as a white patch or plaque on the oral mucosa that cannot be wiped off or characterized as any other diagnosable condition, and it carries a risk of malignant transformation.
2. Which type of matrix system is most commonly used for posterior composite restorations?
Sectional matrix systems (such as the Composi-Tight) are preferred for posterior composites because they create tight interproximal contacts and proper contours.
3. A patient reports crushing chest pain radiating to the left arm during a dental appointment. The dental assistant should:
Signs of a myocardial infarction (heart attack) require immediate discontinuation of dental treatment, calling 911, keeping the patient calm, and preparing emergency oxygen and the AED.
4. Ibuprofen and naproxen belong to which drug class commonly used for dental pain management?
Ibuprofen and naproxen are nonsteroidal anti-inflammatory drugs (NSAIDs) that inhibit COX enzymes to reduce pain, fever, and inflammation.
5. Why is DANB certification important for dental assistants?
DANB certification is highly important for dental assistants because it provides official recognition of their professional knowledge, skills, and commitment to patient care. It demonstrates to employers, colleagues, and patients that the individual has met rigorous national standards of competency. While it may lead to career advantages, its core importance lies in validating expertise and professionalism.
6. Nitroglycerin is stocked in the dental office emergency kit primarily to manage which condition?
Nitroglycerin is a coronary vasodilator that relieves angina pectoris by reducing cardiac workload and increasing blood flow to the myocardium.
🎯 Free DANB CDA Practice Tests
📖 DANB CDA Guides & Articles
What Practice Test Geeks adds beyond an AI chat for DANB CDA
An AI chatbot can quiz you, but it can't reproduce the exam conditions or keep your record. Here you get:
- A timed, full-length DANB CDA mock exam — 245 questions in 195 minutes with a 70% pass mark, modeled on the official exam's question count and time limit, followed by a score report broken down by exam domain.
- A fixed DANB CDA question bank: the same test every attempt, so your score is comparable from one try to the next instead of changing with every regenerated quiz.
- Progress saved on your device: completed tests, scores and missed questions stay in My Progress, so you can retake only what you got wrong.
- A printable DANB CDA cheat sheet you can print or save as a PDF.
- DANB CDA flashcards built from the same question bank.
- Free DANB CDA practice tests with the correct answer shown after each question.
How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy
Sources & references
Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy
- danbsfprodassets.azureedge.net — Test delivery, passing score, retake policy, score release, score validity, fees, registration deadline, test dates · verified Oct 2026
- danb.org — Exam format, time limit · verified Oct 2026