Everyone drills the same 1,400 questions. Then a quarter of the exam is something nobody wrote down.
Dental Prep Academy is the adaptive ADAT platform built on ScholarPad AI. It rewrites your queue after every answer, generates practice from live search and current research instead of a file frozen in 2017, and turns your own lecture decks into exam-format items.
Limited time offer · 54% off the question bank
$229 once, $500 · yours permanently, plus a free month of Elite (worth $19.99)
A randomised trial of a chlorhexidine varnish reports root caries incidence of 12% in the treatment arm and 18% in the control arm over 24 months. Which statement best describes the effect size?
Predicted band
Updated 4 hours ago · 6 simulations logged
Students preparing for residency at
It is one number, on one page, next to everyone else's.
GPA is noisy across schools. Research is uneven. Letters read the same. The ADAT is the one line on your application that a program director can put in a spreadsheet and sort, which is exactly why they do.
to sit the exam
Official ADA fee for the 2026 cycle. Non-CODA candidates add $435 in processing.
in 4 hours 30 minutes
80 biomedical · 80 clinical · 40 data & evidence, plus tutorial, breaks and survey.
is one full standard deviation
Scale scores run 200–800 in 10-point steps, targeting a mean of 500 and a standard deviation of 100. A 100-point gap isn't a rounding error between you and the next applicant; it's the whole spread.
application cycle
Your score arrives attached to the year you apply. There is no quiet do-over.
You will spend $465 and roughly 200 hours on this exam either way. The only question left is whether those hours were pointed at the right material.
A fixed question bank cannot cover a moving exam.
This isn't a knock on the people who built those banks. It's arithmetic. A finite, annually-refreshed set of items written by last year's high scorers will always trail an exam that rotates its stems, and everyone buying it is studying the same finite set as you.
What showed up on exam day
What you spent months memorising
Read those two bars together and the problem stops being “study harder.” Half your hours went somewhere the exam never looked, and a quarter of the exam went somewhere your hours never did. Effort was never the missing input. Direction was.
Figures are self-reported estimates from test-taker write-ups on the Student Doctor Network ADAT threads, paraphrased. They describe individual experiences, not an official ADA statistic.
~25%
of the exam was material they had never encountered in any prep resource
<50%
of the study material they had worked through was mentioned on the exam at all
Random
the single most common word test-takers use to describe the item selection
So what actually closes it
Three things a static bank structurally cannot do: generate practice from research published after it shipped, generate it from your curriculum, and reallocate your remaining hours toward the concepts you keep getting wrong. That is the entire product.
Their question bank has a copyright date. Ours has a timestamp.
This is the part that doesn't age. Every other ADAT platform ships you a frozen file and patches it once a year, which means the evidence base moved, the guidelines moved, and your practice questions didn't. Ours are generated against live search and current published research, so a question can be newer than the platform you bought it from.
Three lanes, in parallel
Guidelines, association updates, practice advisories
Published literature, answered with numbered citations
The actual paper, not somebody's summary of the abstract
Merged and deduplicated by URL, then synthesised with numbered citations.
What comes back
Systematic review
Adjunctive antimicrobials in stage III periodontitis
Clinical guideline
Antibiotic prophylaxis before dental procedures
RCT
Pulpotomy vs pulpectomy outcomes in mature molars
Association update
Revised caries risk assessment terminology
How old your hardest question can be
Longer bar means more time for the evidence to move without anyone editing the item.
ADAT Knockout's annual cadence is their own published claim. Crack the ADAT doesn't publish one, so we haven't invented a number for them. That row is deliberately blank. Log scale, so the gap between “annual” and “continuous” is larger than it looks.
Caught in the bank · Periodontics, not a demo
The 2018 AAP/EFP classification dropped the word ‘ulcerative.’ The clinical distinction (attachment and bone loss present or absent) is unchanged; the terminology in the explanation wasn't.
Retired term
Necrotizing ulcerative gingivitis (NUG) / periodontitis (NUP)
Current term
Necrotizing gingivitis (NG) / necrotizing periodontitis (NP)
Evidence-based dentistry stops being a museum
The 40-item EBD section rewards appraising current research. Drilling it against papers from three cycles ago teaches you the wrong reflexes.
Guideline changes reach you first
When an association revises a recommendation, the questions built on the old one get rewritten, not flagged for next year's content pass.
Everything carries its source
Generated items keep the citation they came from. If you don't believe an answer, you can open the paper and settle it.
Nothing about your effort changes. Everything about its aim does.
How the ADAT is studied now
How it works here
You open the bank and pick a topic based on how you feel that morning.
You open the app and it has already decided, from last night's errors.
The explanation is four lines long and you still don't know why B was wrong.
You ask why B was wrong and keep asking until the concept actually lands.
Your school teaches from decks the question bank has never seen.
You upload those decks and get ADAT-format items off them the same evening.
You review what feels shaky, which is usually what you reviewed most recently.
FSRS-6 surfaces the card the day before you were statistically going to forget it.
You find out where you stand when the official score report arrives.
You watch a predicted percentile band move every week from February onward.
Biostats gets the last four days because it always gets the last four days.
The 40-item evidence section gets its own track, because it's the cheapest to move.
Nine things a PDF and a question bank structurally cannot do.
Every one of these exists because a student told us the exact moment their old prep stopped helping.
The queue rewrites itself after every answer
Miss an item on absolute risk reduction and the engine doesn't just log it. It re-ranks the next forty questions around the concept underneath it, then defers the topics you've already proven. Static banks hand everyone the same playlist and call it personalisation.
Upload your own lectures
Drop in the D3 pharm deck your school actually tests from. PDF, PPTX, DOCX, scanned images, even a YouTube lecture link. Get ADAT-format items off it the same evening.
Ask “but why?” and get an answer
Every explanation is a conversation, not a paragraph. Grounded in retrieved source material and cited back to it.
FSRS-6 scheduling
The current state of the art in spaced repetition. It predicts the day you're about to forget something and puts it in front of you that morning.
Full-length, real timing
80 items / 95 min. 80 / 90. 40 / 45. Same clock pressure, same case-stem length, same fatigue at hour three.
A predicted percentile band you can plan against
Not a vibe, and not a raw percentage correct. A calibrated range, updated weekly against your performance under simulation conditions, so you know in June whether you're actually on track for the programs on your list, while there's still time to do something about it.
A plan built backwards from test day
Tell it your date and your weekly hours. It allocates them, then re-allocates as your weak topics move.
Built for clinic downtime
Eleven minutes between patients is a real study block. Sessions resume mid-question and the drill view is one-thumb operable.
Streaks that survive a bad week
XP, leagues and achievements, tuned so one brutal clinic rotation doesn't reset four months of momentum.
Your school already wrote your best question bank. It just isn't in question form yet.
Every prep company sells you their interpretation of the exam. Nobody sells you practice built from the material your own faculty chose to teach: the decks, the case handouts, the recorded lectures you already sat through. That gap is where international applicants and anyone at a school with an unusual curriculum lose points they never needed to lose.
The material that beat you in D2 is the material that will beat you in June.
Feed it back in. Let it be tested properly this time.
Every format you own
PDF · PPTX · DOCX · TXT · scanned images with OCR · YouTube lecture links
Cited, not invented
Answers point back to the slide or passage they came from, so you can check them
Bloom's tiers, not trivia
Recall through evaluation, the same cognitive range the real sections demand
Straight into the scheduler
Generated items enter FSRS-6 review alongside everything else you're drilling
200 items. 4 hours 30. Three very different fights.
Most people prepare for the ADAT as though it were one exam with three chapters. It isn't. Each section punishes a different failure mode, and the one that moves fastest is the one almost everybody schedules last.
Anatomic sciences, biochemistry and physiology, microbiology and pathology, dental anatomy and occlusion. The section people assume they already know because they passed it in D1.
80
items
95
minutes
71s
per item
What it covers
Where people lose it
You last saw half of this three years ago, in a course graded pass/fail.
Section 01
Biomedical Sciences
Section structure and timing per published ADA test specifications. Total administration time of four hours thirty minutes includes the tutorial, optional breaks and post-exam survey. Confirm against the current official candidate guide before you plan around it.
This isn't a chatbot in a lab coat. It's a study engine.
Dental Prep Academy is a purpose-built ADAT layer on top of ScholarPad AI, a retrieval-grounded study platform with its own document pipeline, vector search, spaced-repetition scheduler and multi-model routing. A raw LLM will confidently invent a periodontal classification. A retrieval-grounded one shows you the page it came from.
Ingest
PDF, PPTX, DOCX, plain text, scanned images with OCR, YouTube lectures. Whatever your school actually hands you.
Chunk & embed
Documents are split, embedded and indexed into a pgvector store with HNSW cosine search.
Retrieve
Every answer is grounded in retrieved passages first, so explanations cite a source instead of improvising one.
Generate
Items are produced across Bloom's taxonomy tiers (recall through evaluation), not just definition lookups.
Schedule
FSRS-6 sets each card's next review from your own recall history rather than a fixed interval ladder.
Reinforce
XP, streaks, leagues and achievements, tuned so consistency beats cramming.
Multi-tier model routing
A vocabulary check and a case-based treatment-planning rationale do not need the same model. Requests are routed by difficulty, then judged, so the hard questions get the expensive reasoning and your quota doesn't get spent on trivia.
Same engine that powers ScholarPad AI for university and institutional cohorts, narrowed here to one exam, and tuned hard for it.
See ScholarPad AIThe Chairside Brief: what changed in dentistry this week, and why it matters to you.
Nobody else selling ADAT prep gives you this, because a static question bank has nothing to connect it to. Every week you get a curated read on new research, revised guidelines and where the profession is moving, written for someone about to sit the exam and then sit across from a program director.
Adjunctive systemic antimicrobials in stage III periodontitis
Changes how you'd justify a treatment plan in a case-based stem, and it's exactly the kind of appraisal the EBD section asks for.
Antibiotic prophylaxis and the shrinking list of indications
High-yield because the older teaching is still in circulation. Knowing which version is current is the whole question.
Vital pulp therapy outcomes in mature permanent teeth
Endo applicants get asked about this in interviews. Being able to name the evidence, not just the technique, separates you.
Workforce, scope-of-practice and access-to-care shifts
Won't be on the exam. Will absolutely come up when a program director asks what you're reading.
“So what have you been reading lately?”
It gets asked in almost every residency interview, and almost nobody has a real answer ready. Forty weeks of briefs is forty answers.
What's in every issue
- New research that actually touches the exam blueprint
- Guideline revisions, with the old and new position side by side
- One EBD appraisal walked through end to end
- Practice items generated from that week's sources
- Profession and workforce news for interview season
No separate charge, no upsell tier. It comes with Sprint, Match and Residency alike; it's the part of the subscription that keeps paying after test day.
A verified ADAT bank you buy once and keep.
Verified and human-reviewed, not AI slop. A one-time purchase that unlocks into your library and stays there, not ninety days of rented access. Here's the shape of it, and three real questions you can read right now.
questions, every one human-verified
full-length timed mocks
topic practice sets
flashcard decks, FSRS-scheduled
Unlocked · read these now
A patient with generalized periodontitis has several 7 mm pockets that bleed on probing, and the clinician wants to sample the site that will yield the heaviest load of the strict anaerobes driving the destruction. From which location should that sample be taken?
A public health report estimates that, in a given year, thyroid cancer will cause approximately 1,980 deaths for every 100,000 people in the general population. Because the denominator used here is the entire population rather than only those diagnosed with the disease, this measure of deaths per population is known as the:
During a demonstration of mandibular movement, only the left lateral pterygoid is made to fire while its counterpart on the right stays relaxed. This isolated unilateral contraction produces which movement of the left condyle?
These three are word-for-word from the bank you'd actually buy, not written for this page. The rest sit behind the lock.
…and 5 timed mocks, 18 practice sets and 18 decks behind this.
Try 5 of them free. No account, no card. Real questions with the full explanation you get after every answer.
See 5 free questionsNo student named Priya. No invented 96th percentile. Just what's actually true.
Every number below is something you can check. If that's not enough, there's a guarantee that puts our money where this page's mouth is.
quizzes human-verified before they shipped
AI-generated items in the bank
items still flagged “needs human review”
explanations with a logged clinical-currency check
The 50th-percentile guarantee
Buy the bank, finish your generated study plan, log 2,000 reviewed questions, and sit the exam within twelve months. If your official ADAT total score doesn't clear the 50th percentile, we refund the full price of the bank.
No five-star quotes from people who don't exist. Try 5 real questions yourself and decide.
Everyone sells you questions. We sell you the next one.
Checked against each competitor's own public marketing and checkout pages, August 2026. Where a rival does something partially, we've said so rather than drawing an X: a comparison table you can screenshot and disprove is worth less than no table at all.
| Capability | WinnerDental Prep Academypowered by ScholarPad AI | ADAT Knockoutest. 2017 | Crack the ADATest. 2005 | The class Drive folderfree, and it shows |
|---|---|---|---|---|
Re-weights your queue after every single answer Not a static playlist. The next question is chosen from the mistake you just made. | Weakness tags | Filter by topic | ||
Turns your own lecture decks into ADAT-format items Upload the PDF your school actually teaches from. Get exam-style questions off it in minutes. | Only here | |||
Items generated from live search and current literature Real-time web search plus cited synthesis over published research, so a question can be newer than the platform you bought it from. | Only here | |||
Curated dentistry news & new-research digest included A weekly brief on what changed in the literature, and what it means for the exam and your interviews. | Only here | |||
AI tutor that answers follow-ups, cited to source | Fixed explanation | Fixed explanation | ||
FSRS-6 spaced repetition scheduling The scheduler predicts the day you're about to forget something and puts it in front of you first. | Plain flashcards | |||
Full-length timed simulation (80/95 · 80/90 · 40/45) | ||||
Predicted percentile band, updated weekly | ||||
Dedicated biostats & evidence-based dentistry module The 40-item section most people leave until the last week. | Standalone track | Bundled | Bundled | |
Study plan generated backwards from your test date | ||||
Content refresh cadence How long a stale item can sit in the bank before anyone notices. | Continuous | Annual | Periodic | Class of 2019 |
Question bank size | Generative, unbounded | 1,400+ | 7,000+ | Whatever leaked |
What happens after you sit the exam The quiet one. Rented access expires on a date somebody else picked. | Bank stays yours | Still on Drive | ||
Price of the question bank | $229 once | $249 / 90 days | $249 / 90 days | $0 |
Cost of a second cycle If you reapply, who charges you again? | $0, you own it | Another $249 | Another $249 | $0 |
Refund if you miss the 50th percentile | Guaranteed |
Competitor figures are their own published claims: ADAT Knockout “1,400+ questions” and 3-month access at $249; Crack the ADAT “7,000+ questions, 70+ hours of video, 100,000+ flashcards” with 1/3/6-month access at $199/$249/$299. Verified August 2026. Prices change, so check before you buy anything, including ours.
vs ADAT Knockout
1,400 questions written in 2017 is not a moat, it's a ceiling. You will finish them, memorise the answer patterns, and still meet the quarter of the exam nobody wrote down.
vs every static bank
A question bank has a copyright date. Ours has a timestamp. When a systematic review moves the evidence on a treatment, that shows up in your queue this week, not in next year's content update.
vs renting for 90 days
Both of them sell you a countdown. Miss your test date, defer a cycle, or simply want to revise before interviews, and you're buying it a second time. Ours is a one-time purchase that sits in your library afterwards.
vs Crack the ADAT
7,000 questions, 70 hours of video and 100,000 flashcards is roughly 340 hours of content for a 4.5-hour exam. Volume isn't a plan. Sequence is.
vs Mental Dental + a Drive folder
Free is a great price for content and a terrible price for feedback. Nothing in that folder knows which of the four answers you talked yourself out of.
vs studying it 'like boards'
The ADAT rewards clinical judgement and evidence appraisal, not recall speed. Drilling it like an NBDE Part I is why over-prepared people post average scores.
Everyone else rents you questions for ninety days. Then takes them back.
The exam costs $465 whatever you do. What differs is whether the money buys you something that still exists in October, and what happens if you have to go around again.
16 weeks is the typical ADAT prep window, that's where the slider starts.
Application cycles
Not a pleasant thing to plan for, but a rented bank expires whether or not you matched.
Total spent on prep
Where the totals land close, the difference isn't the money. It's that one of these leaves you owning a verified question bank and the others leave you with an expired login. Subscription months are the only recurring cost on our side, and you stop them the week you sit.
Buy the bank once. Rent nothing.
Two things, priced separately and honestly. The question bank is a one-time purchase that stays in your library. The study engine is a subscription you keep only for the months you're actually preparing, and cancel the week after you sit.
The ADAT Question Bank
Verified and human-reviewed, not AI slop. A one-time purchase that unlocks into your library and stays there, not ninety days of rented access.
One-time payment. Not a subscription, no renewal, nothing to cancel.
Your first month is on Elite, our top tier. Free.
Worth $19.99/month: adaptive drilling, unlimited tutor, your own lecture uploads, deep research and the Brief, all included. Nothing auto-charges when it ends. If you don't pick a plan, you land on Free.
Limited time offer ends in
Then it returns to $500.
What's in it
- Every item written to the published ADAT specifications and reviewed before it ships
- Every explanation checked against current clinical guidance: outdated terminology gets corrected, not left there
- Full-length mocks at real timing: 80/95 · 80/90 · 40/45
- A standalone biostats & evidence-based dentistry track
- Continuously extended, new items land in your library at no extra cost
- Yours permanently. No expiry, no renewal, no re-buying it next cycle
- Your first month on Elite (our top tier, worth $19.99) included free. Nothing auto-charges after: you choose what happens next
The bank is the content. This is the part that decides what you see next.
Adaptive drilling, the AI tutor, your own lecture uploads, FSRS scheduling, live research and the weekly Brief all run on a ScholarPad AI subscription. Buying the bank includes your first month on Elite, so this is what you pay after that. Most students carry Pro for the three or four months they're preparing, then stop.
Free
Enough to see whether the engine actually helps before you pay for it.
150 credits a month · cancel any time
Start free- 3 subjects
- 5 document uploads / month
- 150 credits / month
- 20 free tutor messages a day
- Fast models only
- Deep research
- Voice tutor
Pro
The one nearly everyone studying for a real test date ends up on.
750 credits a month · cancel any time
Choose Pro- Unlimited subjects
- 100 document uploads / month
- 750 credits / month (about 75 generated quizzes, or 750 tutor questions)
- Advanced reasoning models
- Deep research on live sources
- Voice tutor
- Top-up credits never expire
- Priority support
Elite
For the four months where this is the only thing you're doing.
2,500 credits a month · cancel any time
Choose Elite- Everything in Pro
- Unlimited document uploads
- 2,500 credits / month (about 250 generated quizzes)
- Every model, including the most capable reasoning tier
- Custom study plans built around your test date
- Early access to new features
The 50th-percentile guarantee
Buy the bank, finish your generated study plan, log 2,000 reviewed questions, and sit the exam within twelve months. If your official ADAT total score doesn't clear the 50th percentile, we refund the full price of the bank.
One claim per person per cycle. Requires your official ADA score report. Refunds processed within 14 days. Covers the one-time bank purchase, not monthly subscription fees.
Start with 5 free questions and a free diagnostic. No card, no trial that quietly bills you on day eight.
The questions you'd ask a classmate, not a sales page.
Knockout is a fixed bank: roughly 1,400 questions, refreshed once a year, the same sequence for everyone who buys it. That's a fine reference and a bad tutor. Dental Prep Academy generates and re-orders items against your specific error pattern, lets you ask follow-up questions on any explanation, and turns your own lecture material into exam-format practice. If you finish Knockout in three weeks and don't know what to do next, that gap is exactly what we built for.
There is a version of this cycle
where you already know your score.
Not because you guessed well, but because you watched a predicted band climb for four months and stopped being surprised by it. Start with the free diagnostic. It takes twenty minutes and it will tell you something uncomfortable and useful.
Limited time offer ends in