Prep Doctors is one of the most established AFK courses for internationally trained dentists: a six-month, live-teaching-led programme with 5,000-plus practice questions, multiple mocks, textbooks and a passing guarantee. For a first-time candidate who wants structure, accountability and a large practice pool, it is a strong single spine. Its principal limitation is not coverage but modality and cost — a heavy live and passive load, a fixed mock set, and no continuous unseen measurement between the scheduled evaluations.
This is a narrow child article; the exam-level reasoning sits in the hub, what MCQ banks cannot prepare you for in NDEB AFK.
What Prep Doctors offers for NDEB AFK right now
Vendor-reported from prepdoctors.com, last checked 20 July 2026. Confirm live inclusions, cycle dates and pricing before you enrol.
| Attribute | Prep Doctors AFK course (vendor-reported, 20 July 2026) |
|---|---|
| Product type | Live-led online course (6-month programme), on-site and online options |
| Practice questions | 5,000+ AFK practice questions; 5 quizzes and question booklets |
| Live teaching | 57 live interactive lectures; up to 80 hours of live discussions; live technical demonstrations |
| Mock exams | On-site option: 4 on-site mocks; online option: 2 online mocks (with optional add-on for 2 on-site) |
| Materials | Textbooks included (free shipping or pickup) |
| Guarantee / evaluation | Passing guarantee; self-assessment exams; midterm evaluation |
| Disciplines named | Anatomy, pharmacology (incl. CNS), oral pathology, periodontics, endodontics, restorative, prosthodontics, implants, oral surgery, orthodontics, paediatric dentistry, radiology, anaesthesia, biomaterials, medical management, epidemiology |
| AI / adaptive engine | None stated |
| Price | On-site CA$7,250; online CA$6,900 (with a stated CA$400 upfront discount) |
| Cycles | e.g. Cycle 1: 13 Feb – 2 Aug 2026; Cycle 2: 21 Aug 2026 – 17 Jan 2027 |
| Components supported | AFK only (first Equivalency step) |
The headline: this is a comprehensive, well-resourced course with a large question pool and real live teaching. The trade-offs are price and a modality tilted toward scheduled live sessions rather than continuous self-paced retrieval.
The exam it is preparing you for
The AFK is 200 single-answer multiple-choice questions in two parts, two hours per part, four hours total, delivered electronically at Prometric (booklet at select sites). A test-equated, re-scaled score of 75 or greater is a pass, and it is the first step of the NDEB Equivalency Process, capped at three attempts, with an official 100-question self-assessment. Some third-party pages state a "150-question single session" or exact per-discipline percentages; those are not the official specification, and the NDEB does not publish a precise public weighting. Anchor to the protocol.
Mapping Prep Doctors modules to the blueprint
Prep Doctors names a broad discipline list that maps cleanly onto the AFK's biomedical and clinical areas. The grid below shows where a comprehensive course typically lands; weightings are illustrative, not official.
| Blueprint area (illustrative) | Prep Doctors coverage | Gap risk |
|---|---|---|
| Anatomy and basic sciences | Named and covered | Over-taught for recently trained candidates |
| Pharmacology (incl. CNS) | Named and covered | Cross-check drug currency vs the SmPC/eMC |
| Oral pathology / oral medicine | Named and covered | Adequate |
| Operative / restorative and biomaterials | Named and covered | Adequate |
| Prosthodontics and implants | Named and covered | Adequate |
| Periodontics and endodontics | Named and covered | Adequate |
| Oral surgery and anaesthesia | Named and covered | Adequate |
| Radiology / image interpretation | Named and covered | Ensure image reading is trained as an active skill |
| Orthodontics and paediatric dentistry | Named and covered | Adequate |
| Medical management and epidemiology | Named and covered | Adequate |
| Ethics / Canadian professional context | Implicit in medical management | Confirm the Canadian-standards framing is explicit and current |
Coverage is broad. The two watch-points are the usual ones for teaching-led courses: basic sciences can be over-taught, and image interpretation must be practised cold rather than absorbed from demonstrations.
Passive assets versus active assets
| Asset | Prep Doctors provides | Passive or active |
|---|---|---|
| Live lectures | 57 | Passive |
| Live discussions | up to 80 hours | Passive-to-mixed |
| Technical demonstrations | Included | Passive |
| Textbooks | Included | Passive |
| Practice questions | 5,000+ | Active |
| Quizzes / booklets | 5 | Active |
| Mock exams | 2–4 depending on option | Active |
| Self-assessment / midterm | Included | Active |
| Passing guarantee | Included | Accountability, not retrieval |
The active core — 5,000-plus questions plus mocks — is substantial, and larger than most course-based competitors. The risk is time allocation: 57 lectures plus up to 80 hours of live discussion is a large passive commitment, and a candidate can spend the programme attending rather than retrieving. Protect retrieval time deliberately.
Judging the questions on fidelity, not testimonials
- Exam fidelity. With 5,000-plus items and multiple mocks, Prep Doctors can reproduce AFK-style single-answer MCQs and, on the on-site option, up to four full mocks — good for pacing and stamina.
- Explanation depth. Confirm that explanations teach the reasoning, not just the letter of the answer; depth is what turns a miss into learning.
- Image and data use. Verify how many items are genuine image reads versus text-only, and whether demonstrations translate into cold image practice.
- Recency. Check that materials carry revision dates and that pharmacology reconciles with the SmPC/eMC.
- Balance. A large pool helps, but you still choose what to attempt; enforce weak-topic quotas yourself.
The passing guarantee is a genuine differentiator for confidence and accountability, but read its terms — such guarantees usually require documented attendance and mock completion, and they are not a substitute for measured readiness.
The component gap
Prep Doctors teaches Canadian standards, shows radiographs and covers the disciplines. What a course cannot supply is a continuous stream of unseen items that re-sample the blueprint between the scheduled mocks, or the cold image fluency that only repeated unaided film reading builds. Those are separate active-practice jobs, and they are exactly where an independent measurement layer earns its place.
Time-cost: passive hours versus retrieval hours
Prep Doctors is passive-heavy by design (57 lectures plus up to 80 hours of discussion). The estimates below are for planning; verify exact hours.
| Schedule | Passive hours (lectures + discussion, est.) | Active retrieval target | Recommended passive:active by month 3 |
|---|---|---|---|
| Attend everything, minimal extra retrieval | 130–160 | risky if < 120 | 1 : 0.8 (out of balance) |
| Selective attendance + heavy questions | 90–110 | ≥ 150 | 1 : 1.5 |
| Retrieval-first (recommended) | 80–100 | ≥ 180 | 1 : 2 |
If you attend all 57 lectures and 80 hours of discussion but log only a few dozen hours of unseen testing, you have optimised attendance, not readiness.
Who benefits most
- First-time candidates who need structure and accountability benefit most — the live schedule, guarantee and mentorship are the draw.
- Weak-foundation learners benefit from the thorough teaching.
- IMGs new to Canadian conventions benefit from the explicit Canadian framing, if confirmed current.
- Confident retakers may find the price and passive load poor value and are better served by a targeted bank plus unseen measurement.
Worked example: a seven-day loop for an international graduate
Prep Doctors does the teaching-and-question job; iatroX does independent unseen measurement and spacing. No proprietary-algorithm claims.
| Day | Prep Doctors (job: teach + practise) | iatroX (job: independent unseen measurement) |
|---|---|---|
| Mon | Attend/watch the week's key lecture; 40 course questions on it | 20 unseen items on the same topic; log per-domain score |
| Tue | Read the matching textbook section | 20 fresh items mixing today's and an older topic |
| Wed | 40 more course questions; re-test misses | 20 unseen items; re-test Monday's iatroX misses |
| Thu | Live discussion / demonstration | 30 mixed unseen items at exam pace |
| Fri | Course mock or self-assessment | No new items; review week in the Socratic tutor |
| Sat | Review flagged questions | 40 unseen items across the blueprint; record the domain spread |
| Sun | Light consolidation | Re-test the week's misses; compare to last Sunday |
Your Sunday unseen figure is the honest readiness signal — the course's own mocks, seen more than once, are not. See why your Q-bank percentage is not your exam score.
Decision checklist: continue, supplement, switch or stop
- Continue if you are pre-diet, value the live structure and guarantee, and your unseen accuracy is climbing.
- Supplement (usual answer) if you have attended most sessions but your unseen, timed accuracy lags, or image items expose a weakness — add an independent measurement layer, keep the course.
- Switch only for measurable reasons: out-of-date facts, or a modality mismatch (you learn better self-paced than in live sessions), not because a cheaper option exists.
- Stop consuming new live content once your passive:active ratio has tipped and further lectures are not moving your unseen score; redirect to simulation and re-testing misses.
Three mistakes candidates make with a large course
Confusing attendance with revision. With 57 lectures and up to 80 hours of live discussion, it is easy to fill every week with sessions and feel productive while doing almost no active retrieval. Attendance is an input, not evidence of learning. The correction is to protect retrieval time on the calendar first and fit passive sessions around it, not the other way round.
Leaning on the passing guarantee instead of a readiness measure. A guarantee is reassuring, but its terms usually require documented attendance and mock completion, and it pays out after a fail rather than preventing one. It is not a measurement. Judge your readiness by unseen, timed accuracy across the blueprint and treat the guarantee as a backstop, never as a substitute for evidence that the knowledge has transferred.
Re-sitting the same mocks and trusting the rise. Once you have sat the two to four course mocks, your improving scores partly reflect memory of those specific papers. Use them as calibration checkpoints, not as your final readiness signal, and reserve an independent unseen set for the number you actually plan around.
Bottom line
Prep Doctors is a comprehensive, accountable, question-rich AFK course, and for a structured first-time candidate it comes close to sufficient. The caveats are cost and modality: protect your retrieval time against a heavy live schedule, train image reading cold, and add an independent unseen-measurement layer so the passing guarantee is backed by measured readiness, not attendance.
Frequently asked questions
Is Prep Doctors enough for NDEB AFK on its own? For a first-time candidate who wants structure, a large question pool and accountability, it can be close to sufficient, because it combines live teaching, 5,000-plus questions, multiple mocks and a passing guarantee. The honest qualifier is that its mocks are a fixed set and its schedule is passive-heavy, so most candidates should add an independent unseen-measurement layer and protect self-paced retrieval time rather than relying on attendance alone.
Which NDEB AFK component does Prep Doctors not reproduce well? It does not provide continuous unseen measurement between the scheduled mocks, and — like any course — cannot guarantee cold radiograph fluency from demonstrations. Once you have sat the course mocks, your rising scores partly reflect familiarity, so an independent set of never-seen items is needed to confirm the knowledge transferred rather than the questions being remembered.
How many Prep Doctors questions should I complete per day for NDEB AFK? With a 5,000-plus pool over six months, roughly 40–60 reviewed questions a day in the active phase is a sensible target, rising in the final two months, provided you re-test misses and read explanations properly. Prioritise thorough review over raw volume; questions attempted but not understood mostly build recognition, which flatters your percentage without improving readiness.
When should I stop using Prep Doctors and move to mixed mocks? Move to mixed, full-length conditions in the final three to four weeks, after the taught content is largely complete and your single-topic accuracy is solid. Use the on-site mocks (or the online mocks plus the official self-assessment and an unseen set) to rehearse the real two-part, four-hour format, and stop consuming new lectures once they are no longer improving your unseen score.
How should I combine Prep Doctors with iatroX without duplicating practice? Keep the jobs separate: Prep Doctors teaches and supplies practice questions you study from, while iatroX provides unseen, timed items you only measure on and never revise from. That prevents double-counting and keeps your iatroX score a clean readiness signal independent of the course's own material — the two-Q-bank rule applied to a course-plus-measurement stack.
Editorial notes and references
Written by Dr Kolawole Tytler, NHS GP and founder of iatroX. Last checked 20 July 2026. All Prep Doctors figures (question count, lecture and mock counts, disciplines, prices and cycle dates) are vendor-reported from prepdoctors.com on that date and should be re-verified before enrolment, as inclusions and pricing vary by cycle and option; dental facts are anchored to the NDEB protocol. Disclosure: iatroX operates a competing question bank; here it is confined to the independent unseen-measurement and spaced-retrieval role Prep Doctors does not claim, with no proprietary-algorithm assertion. Corrections via the feedback route on iatrox.com.
References: NDEB — Assessment of Fundamental Knowledge and Exam Resources (ndeb-bned.ca); Prep Doctors AFK course pages (prepdoctors.com); iatroX comparison hub, two-Q-bank rule pillar and Your Q-Bank Percentage Is Not Your Exam Score.