Start with the Canadian route's structural advantage: the NDEB Equivalency Process requires no residency status. You can register and pay from your home country, but the first two exams are sat in Canada, in Australia/New Zealand or (for the May 2027 ACJ) in the US; the NDEB runs no exam in the Middle East. But this accessible route holds three exams with very different personalities — and the official results the NDEB published for 2025 give a sharper picture than the conventional wisdom, including one finding that contradicts it.
Paying the NDEB does not book a seat. The NDEB sends Prometric scheduling instructions only after the registration deadline, when withdrawal already costs 100% of the fee (50% before the deadline; 25% for serious medical or unanticipated exceptional circumstances; NDEB withdrawal policy, checked 29 September 2026). Candidates linked to Iran should check Prometric's four conditions before paying: the test location, the address on current ID, the origin of payment and the destination of results must all be outside Iran. Prometric states that this does not by itself bar every Iranian citizen abroad.
The AFK: fundamental knowledge — the gateway
The AFK is 200 single-answer multiple-choice questions over four hours (two blocks of 100; about 72 seconds per question, no negative marking), with a passing score of 75. It runs twice a year — February and August; the next sitting is 5 February 2027, with the following one in mid-August 2027 — and costs CAD 1,000. Exam locations, per the NDEB's dates page (checked 29 September 2026): the AFK in Canada (5 February and 13 August 2027) and Australia/New Zealand (6 February 2027); the ACJ in Canada (9 November 2026 and 2 November 2027), Australia/New Zealand (10 November 2026) and the US and Canada (4 May 2027). None is in the Middle East, Turkey or Armenia. Attempt cap: 3.
The official 2025 pass rate: 49.6 percent on the first attempt (532 of 1,073; repeat takers 58.4 percent). The AFK has tightened since 2023 and is no longer an exam you pass on the memory of dental school; successful candidates typically report six months to a year of structured study with Canadian-style question banks. One thing not to plan around: AFK and ACJ validity periods are unchanged. The five-year extension reported in 2026 belongs to the ADC's written exam in Australia, not to the NDEB. The only NDEB change from the 2025 consultation that took effect is the May 2027 NDECC reapplication cutoff, so the route's calendar pressure has not eased.
The AFK is more than a gate: its score carries real weight in the competitions for university Qualifying Programs and the BTDPC bridge. Do not treat it as pass/fail; a higher score multiplies your options.
The ACJ: clinical judgement — the case exam
The ACJ measures clinical judgement: 120–150 case-based questions with radiographs over 5.5 hours, in single- and multi-answer formats, passing score 75. It runs twice a year (May and November) at Prometric centres in Canada, Australia/New Zealand (November 2026) and the US (May 2027) — next sitting 9 November 2026, and a 2027 calendar of two sittings (4 May and 2 November) — unchanged from the twice-yearly cadence. Fee: CAD 1,350; cap: 3 attempts.
Official 2025 first-attempt pass rate: 61.1 percent. Candidates who studied the AFK deeply (rather than question-cramming) find the ACJ the more logical stage; its material — radiograph interpretation, treatment planning, prioritisation — sits closer to real practice. The recommended preparation blend: targeted review of your AFK weak areas plus daily case-and-radiograph work.
The NDECC: the route's true bottleneck — contrary to popular belief
The NDECC runs over two days at the NDEB's dedicated Ottawa centre, in two components: Clinical Skills (seven simulator tasks across a full day) and Situational Judgement (ten stations across five core competencies — communication, professionalism, collaboration, and so on). Fee: CAD 6,500; offered year-round with multiple weekly slots and annual capacity around 1,200–1,500; retakes allowed within a five-year window.
For years the community assumed the clinical component was the easy half. The official 2025 data broke that assumption: first-attempt pass in Clinical Skills was just 40.6 percent — the lowest in the entire NDEB chain — with repeat takers lower still at 36.3 percent. Situational Judgement passed at 57.2 percent. In planning language: your heaviest preparation investment (structured simulator practice, bench courses, time management across the seven tasks) belongs to the NDECC, not just the AFK. And that 36 percent repeat figure carries its own message: retaking without fundamentally changing your practice method does not change the result — the same lesson the ADC practical teaches: the problem is format.
The whole route's arithmetic — and two official shortcuts
The three exams together cost about CAD 8,850 in official fees; with preparation, travel, and Ottawa accommodation, the full equivalency-to-licence route typically runs CAD 35,000–65,000 over 24–72 months. After equivalency come the Virtual OSCE (the NDEB's final certification exam) and provincial registration — the last-station guide.
And know the two official shortcuts: the BTDPC (8 months, complete NDECC exemption for the 2026–27 cohort onward; for residents with IELTS 7.0 in every band) and university Qualifying Programs (two to three years, ACJ and NDECC skipped, six-figure tuition). Both demand a strong AFK — the same rule again: study the AFK for a score, not just a pass.
Two strategic reminders
The NDEB exams have no language requirement — but residency (Express Entry) and the provincial regulators do; run the language in parallel — it is the cheapest accelerator in your whole file. And drive the immigration track alongside the exam track: a candidate holding AFK and ACJ with no residency file ends up stalled outside the doors that require status.
Frequently asked questions
Is the AFK–ACJ order mandatory? Yes — the equivalency chain is sequential: AFK, then ACJ, then NDECC. Your planning revolves around the twice-yearly sittings of the first two; one missed sitting is six months.
How do I register from abroad? An NDEB portal account, document upload and payment by international card. You do not choose a centre at registration: the NDEB emails Prometric scheduling instructions only after the registration deadline. Under the NDEB's withdrawal policy (checked 29 September 2026), withdrawing costs 50% of the fee before the deadline, 100% after it, and 25% for serious medical or unanticipated exceptional circumstances. Before you pay, check Prometric's four conditions (compliance statement as of 24 September 2026): the test location, the address on your current ID, the origin of payment and the destination of results must all be outside Iran.
What if I fail the AFK or ACJ three times? The cap of 3 is final, and reaching it effectively ends the equivalency route; hence our rule — no attempt without full preparation. Passers average six months to a year of structured study for the AFK.
Must I be in Canada for the NDECC? It runs only in Ottawa; candidates abroad come on a visitor visa or — more commonly — after settling/PR. Budget the trip, weeks of accommodation, and any simulator course into this stage.
Which preparation courses are worth it? For the AFK/ACJ, question banks and study groups usually suffice; save the real investment for the NDECC — timed simulator work is what changes that 40.6 percent statistic for you personally.
A six-month map from today (September 2026)
September–October: open the AFK study plan targeting the 5 February 2027 sitting, and start the WES/ICAS evaluation in parallel. November: ACJ on the 9th for AFK holders; everyone else, work-experience documents plus IELTS/PTE for the Express Entry profile. December–January: timed AFK practice and the residency profile itself. February onward: AFK on the 5th, then your NDECC-or-shortcut plan. That is the "two parallel tracks" pattern that shortens the whole Canadian route.
Where these exams sit in the complete Canadian route — equivalency to Express Entry — in our Canada guide.
Related field notes
- NDEB Exam Calendar 2026-2027: Every AFK and ACJ Date and Deadline
- The Virtual OSCE and Provincial Registration: The Last Station of the Canadian Licence (2026)
- Express Entry for Dentists: NOC 31110, Counting Your Experience, and the 2026 Strategy
About this article. RxApply is an independent education provider. It is not affiliated with, approved, endorsed by, or connected to ADC or NDEB. This is general educational information about published licensure processes — not legal, immigration, or professional advice.
