The revised MFDS is now weeks away, and the facts that matter fit in one paragraph: the new Part 1 consists of 180 single best answer questions delivered as two 90-question papers of two hours each; its first sitting is on 28 October 2026; and the transition rule is precise and unforgiving, part-completion of the existing MFDS provides no exemption from the new MFDS. Everything a candidate decides this autumn flows from those three facts, checked against the Dental Examinations Executive's published guidance on 29 August 2026, and this page replaces the vaguer transition wording that has circulated, including in our own earlier coverage.
The revised format, precisely
Two papers, one day's structure: Paper 1 and Paper 2 of 90 single best answer questions each, two hours per paper, 180 scored decisions in total. The single best answer format rewards a specific skill that differs from recall: every option is plausible, several are defensible, and the task is ranking under uncertainty, which means preparation built on recognising the one true statement transfers poorly. The revised examination sits within the current curriculum for dental core training, and candidates should work from the official syllabus documents rather than assuming continuity with older MFDS papers; where preparation resources claim revised-format alignment, that claim deserves checking rather than trust, since rebuilding a bank for a new blueprint is slower than updating a landing page.
The transition rule, in exact words
The rule deserves quoting at its official precision because looser paraphrases have caused real confusion: part-completion of the existing MFDS provides no exemption from the new MFDS. Concretely, a candidate holding only the existing Part 1 who does not complete the existing examination within its remaining diets starts the new MFDS from the beginning; the existing Part 1 pass does not carry into the revised structure as an exemption. Note what the rule does not say: it is a statement about part-completion and exemption, not a broader claim that historical qualifications are void, and candidates who have fully completed the existing MFDS are outside its scope entirely. The decision it forces is clean: candidates partway through should check the remaining diets of the existing examination against their realistic preparation timeline, and either complete the legacy route within its window or plan wholeheartedly for the revised examination, because straddling the two is precisely what the rule closes off.
Choosing your route this autumn
For candidates starting fresh: the revised examination is your examination; prepare for the two-paper SBA structure from the outset and select resources on demonstrated revised-format alignment. For candidates holding legacy Part 1: the calculation is dates against readiness, if the remaining legacy diets give you a genuine, well-prepared attempt at completion, finishing the existing route preserves your progress; if not, sunk-cost reasoning is the enemy, and committing early to the revised examination beats a rushed legacy attempt followed by starting again anyway. For all candidates: the 28 October 2026 first sitting means the revised examination's first cohort prepares without past papers, which raises the value of full two-paper timed mocks, syllabus-mapped coverage and question practice that mirrors the SBA discipline, and lowers the value of recall-based folklore from the old examination.
Preparation implications of the new structure
Three practical consequences of the format. Stamina and pacing: two two-hour papers reward rehearsal of the actual day, full-length timed sittings with the break pattern you will face, not question drip-feeding. Breadth discipline: 180 questions across the syllabus punish selective revision more reliably than shorter papers did; blueprint coverage tracking matters more than favourite-topic depth. And SBA technique: systematic elimination, best-available reasoning and time-boxing per question are trainable skills, best built on adaptive practice that keeps serving your weak domains rather than your comfortable ones, which is exactly the preparation style the revised format was designed to reward.
Frequently asked questions
When does the existing MFDS end?
Its final diets are published by the examining bodies and are the dates your legacy-completion decision hangs on; check the official schedule directly rather than relying on secondhand summaries, and diary the registration deadlines, which close earlier than the sittings.
Is the new examination harder?
Different rather than provably harder: SBA ranking under uncertainty across two papers tests applied judgement more heavily than recall; well-prepared candidates should find the standard fair, and first-cohort nerves are not evidence about difficulty.
Do ORE or LDS materials transfer to the revised MFDS?
Partially at best: overlapping clinical content exists, but blueprint, emphasis and format differ, and resources repackaged from other examinations should be treated as supplements, not preparation spines.
Will past papers from the existing MFDS appear for the revised exam?
Treat the revised examination as paperless at launch and expect official sample material to be the anchor; recalled legacy questions test the old blueprint and their circulation value is lower than forums will claim.