Dental Assistant Practice Exam

Try our free Dental Assistant Practice Exam below. Your results will be scored automatically and will display your strengths and weaknesses.

Dental assisting certification is for those who have met their state dental assisting educational requirements and passed an exam. This certification is required by 29 states and recognized by 38 states including the District of Columbia. The actual exam consists of three sections - General Chairside Assistance, Infection Control and Dental Radiography - with a total of 255 multiple-choice questions. Total exam time is limited to three hours and fifteen minutes.

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CDA Practice Exam

Quality starts with who wrote the material. Our practice exam writer Tiffany Neal, CDA (DANB), EFDA

, has been a practicing dental assistant for close to 20 years. She has taught dental assisting at Everest College in Colorado.

Sharon Boyd, RDH

, is a registered dental hygienist and dental educator. As a professional dental writer, she has worked for several continuing education programs and is the head continuing education curriculum writer for an American Dental Association CERP provider.

Abby Altergott, RDH

, is a registered dental hygienist who has worked in the specialties of oral surgery, periodontics and orthodontics for eight years. She worked as a dental assistant for three years.

Our practice exam follows the CDA blueprint component exam areas: GC, RHS & ICE:

1. General Chairside Assisting (GC)

GC Exam Blueprint:

GC Exam Summary:


2. Radiation Health and Safety (RHS)

RHS Exam Blueprint:

RHS Exam Summary:


3. Infection Control (ICE)

ICE Exam Blueprint:

ICE Exam Summary: