Free DANB GC Practice Test
General Chairside Assisting questions on four-handed dentistry, procedures, dental materials, emergencies and patient care, each answer explained.
How many teeth are in the complete primary dentition?
220 original questions · 4 domain study pages · 95-question timed mock on the real 75-minute clock
DANB GC exam format
Answer original General Chairside Assisting questions written to DANB’s GC outline, read why each answer is right, then take a full timed exam with the real question count and time limit.
The GC exam has 95 multiple-choice questions in 75 minutes across four domains. Chairside Dentistry is half of it. The GC is the one CDA exam with eligibility requirements.
| Outline domain | Share of exam | What it covers | Drill |
|---|---|---|---|
| I. Evaluation | 17% | Vital signs and histories, head and neck and tooth anatomy, charting, treatment documentation and medical emergencies. | 10-question drill |
| II. Patient Management and Administration | 17% | Managing anxiety and behavior, oral health education, records, legal duties and regulations, inventory and equipment and emergency kit upkeep. | 10-question drill |
| III. Chairside Dentistry | 50% | Four-handed dentistry, moisture control and dental dams, restorative, crown and bridge, anesthesia, whitening, oral surgery, nitrous oxide and preventive care. | 10-question drill |
| IV. Dental Materials | 16% | Impression materials, operative materials from amalgam and composites to cements, liners and sealants, and laboratory materials. | 10-question drill |
Each domain has a study page and a free ten-question drill with the explanation after each answer. Create a free account to save your results; each drill’s first attempt is free.
GC exam at a glance
- Questions
- 95 multiple-choice questions, each with three or four answer options
- Time
- 75 minutes
- Exam fee
- $270, including DANB’s $75 nonrefundable application fee; $375 with RHS or ICE
- Eligibility
- One of three pathways (for example, graduation from a CODA-accredited dental assisting or hygiene program, or high school plus 3,500 hours of approved work experience), plus current hands-on CPR, BLS or ACLS
- Passing score
- Scaled score of 400 on a 100–900 scale
- How it is scored
- Computer adaptive: the score depends on the difficulty of the questions you answer correctly, and every candidate gets the same share of questions from each domain
- Where
- At a Pearson VUE test center or online with remote proctoring, within a 60-day testing window
- Retakes
- No limit. Reapply and pay the full exam fee each time; state rules may require more education.
- Part of
- DANB’s Certified Dental Assistant (CDA) certification
- Pass rate
- 75% of 3,687 GC exams passed in 2025
DANB’s exams are computer adaptive and do not let you skip a question and come back to it. Our full practice exam gives you the same 95 questions in 75 minutes, spread across the domains by DANB’s percentages, so you practice the pace and the content mix.
Who can take the GC exam
DANB offers three pathways: graduation from a CODA-accredited dental assisting or dental hygiene program (or an RDH license); high school graduation plus 3,500 hours of approved work experience; or former CDA status or certain dental degree programs. Every pathway also requires current hands-on CPR, BLS or ACLS from a DANB-accepted provider.
Common questions
How many questions are on the DANB GC exam?
95 multiple-choice questions in 75 minutes. A small number of unscored pretest questions can be mixed in.
What is on the GC exam?
Four domains in DANB’s outline effective July 1, 2022: Chairside Dentistry (50%), Evaluation (17%), Patient Management and Administration (17%) and Dental Materials (16%).
Who can take the GC exam?
Candidates who meet one of DANB’s three pathways: graduation from a CODA-accredited dental assisting or dental hygiene program (or an RDH license); high school graduation plus 3,500 hours of approved work experience; or former CDA status or certain dental degree programs. Every pathway also needs current hands-on CPR, BLS or ACLS from a DANB-accepted provider.
What score do you need to pass the GC exam?
A scaled score of 400 on a 100–900 scale, on a computer adaptive exam.
How much does the GC exam cost?
$270 on its own, including DANB’s $75 nonrefundable application fee. All three CDA exams together cost $450.
Does this practice test match the real GC exam?
DANB’s exams are computer adaptive and do not let you skip a question and return to it, so no practice test can copy one exactly. Our full practice exam gives you the real question count and time limit, with questions spread across the outline’s domains by DANB’s percentages, a score by domain and an explanation for every question.
Ready for exam day?
95 questions in 75 minutes, the real exam’s count and time, scored by outline domain with an explanation for every answer.
Or start with a free 10-question drillMore dental and healthcare practice
- Dental assistant (DANB CDA) practice test
- DANB RHS (radiation health and safety) practice test
- DANB ICE (infection control) practice test
- GC Evaluation
- GC Patient Management and Administration
- GC Chairside Dentistry
- GC Dental Materials
- CCMA (medical assistant) practice test
- Phlebotomy practice test
- CNA practice test
Exam format, domains, fees and policies are from DANB, checked November 2026: DANB: General Chairside Assisting (GC) exam · DANB GC Exam Outline and References (effective 07/01/2022) · DANB 2026 Candidate Handbook (updated 6/22/2026) · DANB CDA 2026 Application Packet (updated 05/13/26) · DANB 2025 exam pass rates · DANB: 4 important details to know about DANB exams.
Original independent practice, written from DANB’s public exam outlines. Not affiliated with or endorsed by the Dental Assisting National Board (DANB). DANB, RHS, ICE, CDA and Certified Dental Assistant are marks of the Dental Assisting National Board, Inc.