Practise Certified Dental Assistant (CDA) with a short sample and answer explanations. These are independent learning materials, not official exam questions or a pass prediction.
Exam outline and official sources
Dental Assisting National Board, Inc. (DANB) · Verified against DANB's current CDA examination page on 2026-10-13, Asia/Hong_Kong. CDA comprises General Chairside Assisting (GC), Radiation Health and Safety (RHS), and Infection Control (ICE). Currently linked outlines: GC effective 2022-07-01; RHS and ICE effective 2025-03-12. The 2026 CDA Application Packet is updated 2026-05-13. The workbook label matches the official examination; the assigned slug is preserved.
This original 20-question sample covers selected topics across the outline. It does not reproduce official exam questions or cover every tested topic.
- DANB — Certified Dental Assistant
- DANB — 2026 CDA Application Packet
- DANB — General Chairside Assisting Exam Outline and References
- DANB — Radiation Health and Safety Exam Outline and References
- DANB — Infection Control Exam Outline and References
- NIDCR — Dry Mouth
- NIDCR — Diabetes and Oral Health
- NIDCR — The Tooth Decay Process: How to Reverse It and Avoid a Cavity
- NIDCR — Dental Sealants
- AAE — Position Statement: Dental Dams
- AAE — What Is a Root Canal?
- Efficacy of Dental Evacuation Systems for Aerosol Exposure Mitigation in Dental Clinic Settings
- Dentsply Sirona — Palodent V3 Directions for Use
- Dentsply — Jeltrate Alginate Directions for Use
- Dentalcare — Intraoral Imaging: Technique Errors
- Dentalcare — Intraoral Radiographic Techniques
- ADA — X-Rays/Radiographs
- CDC — Sterilization and Disinfection
- CDC — Standard Precautions
- CDC — Best Practices for Personal Protective Equipment
- CDC — Best Practices for Environmental Infection Prevention and Control
- CDC — Best Practices for Dental Unit Water Quality
- CDC — Best Practices for Sterilization in Dental Settings
- CDC — Best Practices for Sterilization Monitoring in Dental Settings
- CDC — Guidelines for Infection Control in Dental Health-Care Settings, 2003
- OSHA — 29 CFR 1910.1030: Bloodborne Pathogens
- OSHA — 29 CFR 1910.1200: Hazard Communication
- OSHA — Hazard Communication Standard: Safety Data Sheets
Certified Dental Assistant (CDA)
Start with 20 free questions, then review the explanations and any topics you missed.
During the health-history update, a patient reports persistent dry mouth that began after starting a prescription medicine. What should the assistant do first?
Certified Dental Assistant (CDA)
Flashcards
GC — Evaluation
Medical conditions — diabetes and oral complications
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