DANB Exam Scoring: How the 100–900 Scale and 400 Passing Score Work
DANB reports exam results as a scaled score from 100 to 900, and 400 or higher passes. That 400 is not a percentage and not a count of correct answers. You don't need "44%" or "50%" right; pass or fail depends on how difficult the questions you answered correctly were.
| Quick answer | DANB rule |
|---|---|
| Passing score | 400 or higher, on each exam |
| Score range | 100–900 (scaled) |
| Is 400 the same as 44% correct? | No. There's no published percent you must hit |
| How the exam works | DANB says most exams use computer adaptive testing (CAT); the RHS, ICE, GC and AMP outlines all specify CAT, and DANB says the average candidate answers around 50% of questions correctly |
| Is it curved? | No. You're measured against a fixed standard, not other candidates |
| CDA | No combined score: pass RHS, ICE and GC separately, within five years |
| Official results | In your DANB account within 1–3 business days |
The exam-specific examples below focus on four national component exams: Radiation Health and Safety (RHS), Infection Control (ICE), General Chairside Assisting (GC) and Anatomy, Morphology and Physiology (AMP). Last verified October 26, 2026, against DANB's 2026 Candidate Handbook and current exam outlines (sources).
Your DANB score, decoded
Find your situation, then do the next step in that row.
| What you have | What it means | What to do next |
|---|---|---|
| A practice-test percentage | Feedback on those practice questions, not a DANB score | Use what you missed to pick topics to study. Don't convert it to the 100–900 scale. |
| Finished the exam, no score yet | Result pending. You haven't officially passed or failed until DANB issues the result. | Check your DANB account; DANB posts official results within 1–3 business days. |
| 400–900: Pass | You met DANB's passing standard for that exam. A 400 and an 800 are both passes. | Nothing to fix. DANB says candidates generally may take and pass an exam only once except in specific circumstances. For CDA, keep track of which components you've passed. |
| 100–399: Fail | Your performance was below the standard on that exam. | Reapply for the exam you failed when you're ready. Request hand scoring first only if you think the result was recorded wrong. |
| Passed some CDA components, failed one | Your passed components still count toward CDA. | Apply for the failed component alone. Finish RHS, ICE and GC within the five-year window. |
| You think the posted result is wrong | DANB's review route for the score itself is hand scoring. | Get the hand-score request and payment to DANB within 7 calendar days after results are posted ($75 per exam). |
Why 400 isn't a percentage
It's tempting to divide 400 by 900 and get 44%. That number doesn't describe anything about your exam. The 100–900 scale is a reporting scale; 400 is simply the point on it where DANB's passing standard sits. DANB states its scaled score is neither a number-correct nor a percent-correct score, and it doesn't publish a conversion between scaled points and questions.
That also means a 399 is not "one question short." One scaled point doesn't equal one question, so the honest reading of any score below 400 is just this: below the standard, by an amount DANB doesn't translate into question counts.
And above 400, DANB publishes no score bands. Ignore anyone labeling a 550 "solid" or a 700 "mastery." Higher is higher, but the only official line is 400.
How adaptive scoring works
DANB says most of its exams use computer adaptive testing, and the outlines for RHS, ICE, GC and AMP all describe CAT. Here's the basic idea:
- The exam adjusts as you go. Answer correctly and the next question tends to be harder; miss one and the next tends to be easier.
- It homes in on your level. The test keeps presenting questions around the difficulty where your performance helps distinguish your ability level.
- Your score reflects difficulty, not just volume. DANB scores the exam based on the difficulty of the questions answered correctly. The same percent correct does not guarantee the same scaled score because question difficulty matters.
That's why DANB's "around 50% correct" figure is an average describing how adaptive tests behave. It is not a cut score. Getting 50% right doesn't guarantee a pass, and getting 45% right doesn't guarantee a fail.
DANB doesn't publish point values for individual questions either. Explanations online that say "hard questions are worth X points" are guesses, not DANB's published method.
Why the exam probably felt hard
An adaptive test is built to measure your ability by presenting questions at or close to your ability level, so encountering difficult questions is expected.
The flip side: how hard it felt tells you nothing reliable either way. "It got really hard, so I must have passed" is as unsupported as "I guessed on half of it, so I failed." Wait for the official result.
Does every question count?
Not every one, but you should treat them all as if they do:
- A few may be unscored pretest questions. DANB says a small number of new trial questions may appear on each national exam. They don't count toward your result, and you can't tell which ones they are.
- You can't skip or go back on these adaptive exams. Once you've submitted an answer, you can't return to that item or change it.
- You must answer every question to get a pass or fail result. Running out of time with questions left is a bigger risk than making your best choice on a hard one.
- Flawed questions can be credited later. DANB's psychometricians review how each question performs. In rare cases DANB gives credit retroactively for a question that didn't perform as expected. You'll only hear about it if that adjustment changes your result from fail to pass.
For a given exam, each candidate receives the same percentage of questions from each domain even though the specific questions can differ.
How DANB sets the passing standard
DANB's exams are criterion-referenced: you pass by meeting a fixed standard, not by outscoring other people. There's no curve and no quota of people who must fail.
DANB's current exam outlines say the passing standard is evaluated through a Standard Setting Study in the year following a Content Validation Study. DANB uses a modified Angoff standard-setting method, in which a panel of subject matter experts evaluates exam-item difficulty and the criticality of the content. DANB's Board of Directors approves changes to exam passing standards.
DANB says its Content Validation Studies use job-analysis surveys of practicing certificants and certificate holders and are conducted every five to seven years. Every current outline for RHS, ICE, GC and AMP reports scores on the 100–900 scale with 400 to pass.
Scoring and timing by exam
All four exams below use CAT and the same 100–900 scale with 400 to pass.
| Exam | Questions | Time | Average time per question* | Content areas (current outline) |
|---|---|---|---|---|
| RHS (outline, eff. 3/12/2025) | 75 | 60 min | 48 seconds | Purpose and Technique 50% · Radiation Characteristics and Protection 25% · Infection Prevention and Control 25% |
| ICE (outline, eff. 3/12/2025) | 75 | 60 min | 48 seconds | Prevention of Disease Transmission 20% · Prevention of Cross-contamination 34% · Process Instruments and Devices 26% · Occupational Safety and Administration Protocols 20% |
| GC (outline, eff. 7/1/2022) | 95 | 75 min | About 47 seconds | Evaluation 17% · Patient Management and Administration 17% · Chairside Dentistry 50% · Dental Materials 16% |
| AMP (outline, eff. 3/1/2025) | 80 | 60 min | 45 seconds | Head, Neck and Oral Cavity 40% · Tooth Anatomy, Morphology and Physiology 60% |
*Our calculation: minutes × 60 ÷ questions. A pacing guide, not a DANB rule.
How certifications use these scores:
- CDA (Certified Dental Assistant): pass RHS, ICE and GC, each at 400 or higher, within a five-year period. Take them together or separately. A strong RHS score can't offset a failed GC.
- NELDA (National Entry Level Dental Assistant): made up of AMP, RHS and ICE. Each component uses the same 100–900 scaled-score framework with 400 to pass.
- RHS and ICE alone: neither has eligibility requirements, and both can be taken as standalone exams.
The clock doesn't stop. At a test center you can take a break with the proctor's approval, but your time keeps running. Online proctored exams allow no breaks. DANB notes most people finish with time left, but because you must answer every question, it's worth checking your pace partway through.
When you get your results
- Official results and any certificate you earned post to your online DANB account within 1–3 business days after the exam.
- By mail: passed exam results, earned certificates and failed state-exam results are mailed within 2–4 weeks. Failed national-exam results are not included in that mailed-results list, so rely on your online account.
- Until official results post, you haven't officially passed or failed. The paperwork Pearson VUE gives you after a test-center exam confirms you took the exam; it isn't the official result.
- Who else can see it: DANB releases exam results and credential status to state regulatory agencies, and candidates cannot opt out of that release. DANB can also confirm pass/fail status for exams leading to certifications or certificates to certain payers, such as an employer or school, under its application statements.
If you didn't pass
Hand scoring: the score-review route
DANB will hand score an exam if you send the Request for Hand Score form:
- Fee: $75 per exam, refunded if hand scoring reverses a fail.
- Deadline: the form and payment must reach DANB within 7 calendar days after your results are posted to your online account. Weekends count.
- Turnaround: DANB says requests are completed within 10 days of receipt.
Because the fee is refunded only on a reversal, hand scoring is most relevant when you have a specific reason to think your result was recorded incorrectly, not as a way to contest how difficult the questions were.
Appeals generally don't cover a failing score
DANB's appeal policy says a failing exam result cannot be appealed unless DANB's Board determines extraordinary circumstances exist. Level 1 appeals cover eligible adverse administrative or substantive decisions such as certain eligibility, administrative and exam-administration issues. A Level 1 request generally must reach DANB within 30 calendar days of the notice of the adverse decision and requires the applicable appeal fee.
Retaking
- No limit on retakes of a failed exam.
- You reapply and pay the full exam fee each time.
- Current 2026 standard fees are RHS $270, ICE $270, GC $270, RHS/ICE $375, and all three CDA component exams together $450.
- The current Candidate Handbook does not state a general waiting period between failed attempts.
- Check your state: some state laws require additional education after failed attempts. Start with DANB's state requirements page or your state dental board.
Before you retake, compare how you studied against the content-area weights above. Every candidate on a particular exam gets the same percentage of questions from each domain, so a heavily weighted area you under-studied is a logical place to rebuild first.
If you passed
A pass is a pass. DANB doesn't report a "high pass," and its Candidate Handbook says candidates generally may take and pass a DANB exam only once except in specific circumstances, so retaking simply to raise the number is not the normal route.
Passing also doesn't automatically let you perform a duty in every state. DANB's outlines say passing an exam or earning certification conveys authority only in states that recognize that exam or certification as meeting their requirements. Check your state on DANB's state requirements page.
DANB scoring myths vs. facts
| Claim | Verdict | Why |
|---|---|---|
| "400 out of 900 means I need 44% right." | False | 400 is a point on a scaled score, not correct answers divided by total questions. |
| "You need 70% to pass." | False | DANB has no published percent-correct cut score for these exams. You need a scaled 400. |
| "You need 400 questions right." | False | 400 is a scaled score, not a question count. |
| "The average candidate gets about half right, so 50% guarantees a pass." | False | DANB gives 50% as an average, not a cut score. |
| "80% on my practice test means I'll score around 720." | False | A practice percentage can't be converted to DANB's adaptive scaled score using a published DANB formula. |
| "If the questions got hard, I definitely passed." | False | Difficulty adapts, but how it felt doesn't reveal your result. |
| "It's graded on a curve." | False | Scoring is criterion-referenced; you're not compared with other test-takers. |
| "Skip the hard ones and come back." | False | On these adaptive exams, you can't return to an item after submitting your answer. |
| "400 or higher passes." | True | DANB's published passing standard. |
Next steps for your DANB prep
If scoring was the last thing confusing you, the useful move now is studying by content-area weight, practicing committing to an answer before submitting it, and pacing to finish:
- DANB CDA exam prep: how to prepare for RHS, ICE and GC
- Free DANB CDA practice test: original practice questions with explanations
- DANB CDA exam requirements: eligibility pathways and the five-year rule
- Dental assistant certification: CDA, NELDA and state credentials compared
Sources
Last verified October 26, 2026. Fees, timelines and policies can change; confirm anything time-sensitive with DANB before acting on it.
- DANB, 2026 Candidate Handbook (updated June 22, 2026): retaking failed and passed exams (p. 4); breaks (p. 8); pretest questions, passing standards and retroactive credit (p. 13); official results and hand scoring (p. 14); appeals (p. 15).
- DANB, RHS Exam Outline (effective March 12, 2025): questions, time, CAT and weights (p. 2); passing standard, scoring, results and state regulations (p. 13).
- DANB, ICE Exam Outline (effective March 12, 2025): questions, time, CAT and weights (p. 2); standard setting, scoring, results and state regulations (p. 10).
- DANB, GC Exam Outline (effective July 1, 2022): questions, time, CAT and weights (p. 2); standard setting, scoring and state regulations (p. 9).
- DANB, AMP Exam Outline (effective March 1, 2025): questions, time, CAT and weights (p. 2); standard setting, scoring and state regulations (p. 5).
- DANB, 2026 CDA Application Packet (updated May 13, 2026): five-year CDA rule (p. 3); release of results (p. 8); 2026 fees and single/combo applications (pp. 10, 14–15).
- DANB, Request for Hand Score of Exam Results (updated November 21, 2025; accepted through Dec. 31, 2026).
- DANB, Appeal Policy and Procedures (updated November 5, 2025), Sections I–III.
- DANB, 4 important details to know about DANB exams (January 10, 2024): most exams adaptive, no skipping, scaled scoring and the 50% average.
- DANB, Clearing up 5 common misconceptions about DANB exams (June 12, 2025): scaled-score explanation, CAT context and 50% average.
- DANB, Prepare for Exams: submitted answers cannot be changed.
- DANB, State Requirements: state-specific dental assisting requirements and recognized exams.
By Castleport Test Prep Editorial Team. This page explains DANB's published scoring policies and contains no official exam questions.
Castleport Test Prep is an independent exam prep publisher. We are not affiliated with, endorsed by, or approved by the Dental Assisting National Board, Inc. (DANB). Exam and credential names are used to identify their subjects, and trademarks belong to their respective owners.