CDA Dental Assistant Study Guide 2026-2027: DANB Dental Assistant Test Questions · Certified Dental Assistant Exam · GC · RHS · ICE · 12-Day Plan · 3 Component-Mirror Exams · 420 Questions

· Passmark Publishing
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About this ebook

You have a CDA date. Hold it. Between now and then: 420 questions with every option explained, three practice exams at the real component lengths, and a 12-day plan. No login, no expiry.

We built this the way a chairside trainer teaches on the floor, not the way a shelf gets filled. DANB scores the CDA as three separate exams: General Chairside at 95 scored items, Radiation Health and Safety at 75, Infection Control at 75. All three are required for the credential, and you may sit them together or apart. That is 245 scored items, so your twelve days are split the way DANB splits the credential. General Chairside gets the most of them, because it carries the most items. Check us against DANB's published outlines. We would rather you did.

What's inside

A 25-question diagnostic, sat first. It tells you which of the three components is weakest, so the extra hours go where they are short.

Seven days on General Chairside. Dental and head-and-neck anatomy, tooth morphology and numbering, oral pathology, restorative and specialty chairside, materials and lab work, prevention, and chairside emergencies.

Two days on radiation health and safety. Physics and biology, exposure factors and geometry, patient and operator protection, ALARA, then processing, mounting and evaluating images.

Three days on infection control. Disease transmission, asepsis and PPE sequences, instrument processing and sterilization monitoring, surface disinfection, waterlines, waste handling, and the OSHA bloodborne standard.

420 original questions, every option explained. Daily quizzes, two cumulative reviews that mix the components the way your appointment book mixes them, and you'll see why a wrong option looked right.

Three practice exams at 95, 75 and 75 items, one per component, sat the way DANB gives them. Nothing about the sitting is then a new experience. Maybe your training covered the chair and skipped the theory these three exams ask about. Give this one three evenings. If the diagnostic does not tell you which component is weakest, put it down. An hour is all it cost.

Three people use this book. An assistant sitting all three components for the first time. An on-the-job-trained assistant who never had the classroom half. A student finishing an accredited program. If radiography is already your daily work, start at Day 9.

Day 10 is the dull one: instrument processing, sterilization cycles, monitoring records. You will finish it anyway, and you'll find the Infection Control exam turns readable. Downloaded once, yours to keep.

— The Passmark Publishing Team

An independent study guide from Passmark Publishing. Not affiliated with or endorsed by the Dental Assisting National Board. DANB, CDA, GC, RHS and ICE are trademarks of the Dental Assisting National Board. For exam preparation only; not dental or medical advice.
You have a CDA date. Hold it. Between now and then: 420 questions with every option explained, three practice exams at the real component lengths, and a 12-day plan. No login, no expiry. We built this the way a chairside trainer teaches on the floor, not the way a shelf gets filled. DANB scores...

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About the author

Passmark builds one kind of book: the one that makes your study hours count. We start from a simple conviction — a certification exam is a skills test, not a memory test — so we never hand you a wall of facts to reread. Our method comes from the science of how memory actually holds: you learn by retrieving, not rereading; you revisit on a widening schedule so it sticks; every answer is explained, right and wrong, so you keep the reasoning; and a diagnostic points your hours where they will move your score. We read each exam's current blueprint ourselves, write every question from scratch, and check every number in the book — question counts, domain weights, practice tests — against the finished pages, not the marketing. When an exam changes, our books change with it.
Passmark builds one kind of book: the one that makes your study hours count. We start from a simple conviction — a certification exam is a skills test, not a memory test — so we never hand you a wall of facts to reread. Our method comes from the science of how memory actually holds: you learn by ...

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