- The historic MJDF Part 1 sitting ended in October 2020; the current exam is the tri-collegiate MFDS Part 1.
- The exam is 180 single-best-answer questions across two 90-question, two-hour computer-based papers, with no negative marking.
- Underpinning Clinical Knowledge, Clinical Examination and Assessment, and Diagnosis, Patient Management and Treatment Planning each carry 20-30 questions.
- You get four attempts at Part 1, and Part 2 must be passed within four years of passing Part 1.
What "MJDF Part 1" Actually Means in 2026
If you've searched for MJDF Part 1, it's worth knowing exactly what you're preparing for before you buy a single revision book. The Royal College of Surgeons of England ran its final sitting under the "MJDF Part 1" name in October 2020. Since then, the commercially and clinically relevant successor is the unified tri-collegiate examination developed by the Dental Examinations Executive on behalf of the Royal Colleges of Surgeons of England and Edinburgh and the Royal College of Physicians and Surgeons of Glasgow. Candidates researching "MJDF Part 1" today are almost always being pointed toward this current Part 1 assessment, and the content, structure and eligibility rules below all reflect that examination.
This distinction matters because outdated blueprints, retired question styles, or fee structures from the discontinued sitting can send you down the wrong revision path. For a full breakdown of the terminology and how the naming evolved, see What Is MJDF Part 1? and MJDF Part 1 Meaning.
Exam Format: Papers, Timing and Marking
The current MJDF Part 1 examination is delivered as 180 single-best-answer questions, split into two papers of 90 questions each. Each paper runs for two hours and is sat on a computer at an assessment centre, with a short break between the two papers. There is no negative marking, which means every question is worth attempting - leaving a question blank costs you the same as answering it incorrectly.
Because the format is entirely single-best-answer rather than extended matching or short-answer, your revision strategy should prioritise recognising the single most defensible clinical option among several plausible ones, rather than memorising open-ended explanations. This distinction shapes how you should practise questions, not just what content you cover.
| Feature | Detail |
|---|---|
| Total questions | 180 |
| Papers | Two, 90 questions each |
| Time per paper | 2 hours |
| Question format | Single-best-answer |
| Negative marking | None |
| Delivery | Computer-based, assessment centre |
Key Takeaway
Since there's no negative marking, never leave a question unanswered - flag uncertain items and return to them, but submit an answer for every one before time runs out.
For a deeper look at how demanding the paper actually feels in practice, read How Hard Is the MJDF Part 1 Exam? Complete Difficulty Guide 2026, and for the exact mark you need to clear, see MJDF Part 1 Passing Score 2026: Exactly What You Need to Pass.
Eligibility and Registration Mechanics
Before you book a sitting, you need to meet several eligibility conditions:
- An acceptable primary dental qualification recognised by the examining colleges.
- Current registration with a recognised dental regulator.
- Clinical experience sufficient to meet Dental Core Training outcomes - this isn't a purely academic exam, so hands-on exposure matters.
- English language proficiency comparable to IELTS 7, relevant if your primary qualification or training wasn't delivered in English.
These requirements exist to make sure candidates sitting Part 1 already have the clinical grounding to interpret exam vignettes realistically, not just recall textbook facts. A full walkthrough of every criterion, including documentation candidates commonly overlook, is available in MJDF Part 1 Requirements 2026: Eligibility, Prerequisites & How to Qualify. For scheduling windows and deadlines once you're eligible, check MJDF Part 1 Exam Dates 2026: Testing Windows, Deadlines & Scheduling, and for what the whole process costs, see MJDF Part 1 Certification Cost 2026: Complete Pricing Breakdown.
The 19 Domains and Where to Focus Your Revision
The Part 1 blueprint spans 19 domains, ranging from single-digit question counts to the three heavyweight domains that dominate the paper. Understanding the spread is the single most useful planning step you can take before opening a question bank.
Domain 5: Underpinning Clinical Knowledge (20-30 questions)
The largest domain by question count. Covers core biomedical and clinical science that underpins every other domain - treat weak spots here as a priority since gaps ripple into other topics.
- Anatomy, physiology and pharmacology relevant to dental practice
- Pathophysiology of common oral and systemic conditions
Domain 6: Clinical Examination and Assessment (20-30 questions)
Tests your ability to interpret history, examination findings and investigations correctly.
- Recognising relevant signs and symptoms in vignette-style questions
- Selecting appropriate investigations before diagnosis
Domain 7: Diagnosis, Patient Management and Treatment Planning (20-30 questions)
The applied, decision-making domain - expect scenario questions asking you to choose the single best next step.
- Weighing treatment options against patient-specific factors
- Sequencing multi-stage treatment plans logically
Beyond these three, the remaining domains carry smaller but still meaningful weightings: Emergency Care (Management of Dental and Facial Injuries), Preventative Care and Maintenance of Oral Health, Restorative Dentistry, Orthodontics, Oral Surgery, Paediatric Dentistry, Special Care Dentistry, Oral Medicine, and Oral and Maxillofacial Radiology and Oral Microbiology each sit in the 6-10 question range. Oral and Maxillofacial Pathology sits slightly lower at 4-6 questions, while Professional Knowledge and Behaviour, Patient-centred Care, Teamworking, and Clinical and Patient Safety each contribute only a handful of questions but appear consistently across candidate experiences.
For a domain-by-domain breakdown with sample topics under each of the 19 areas, see the companion guide: MJDF Part 1 Exam Domains 2026: Complete Guide to All 19 Content Areas.
Building a Domain-Led Study Timeline
Rather than working through a generic revision calendar, structure your weeks around the blueprint's question weighting. Spend the most calendar time on the three 20-30 question domains, then rotate through the 6-10 question domains in shorter blocks, and reserve only light review time for the smallest domains.
Underpinning Clinical Knowledge
- Work through core biomedical science systematically
- Log recurring weak areas for a later review pass
Clinical Examination and Assessment + Diagnosis, Patient Management and Treatment Planning
- Practise vignette-style single-best-answer questions daily
- Focus on decision sequencing, not just fact recall
Mid-weight domains
- Rotate through Emergency Care, Restorative Dentistry, Orthodontics, Oral Surgery and Paediatric Dentistry
- Use short, timed question blocks rather than long reading sessions
Remaining domains and full papers
- Cover Special Care Dentistry, Oral Medicine, Radiology, Microbiology and Public Health
- Sit full 90-question timed papers under exam conditions
Whatever spaced-repetition or timed-practice method you use, apply it against the domain weightings above rather than an even split across all 19 areas - that alignment, not the study technique itself, is what separates efficient revision from busywork. You can build this rotation directly into a structured plan on MJDF Part 1 Study Guide 2026: How to Pass on Your First Attempt or work through timed practice papers on the main practice test platform to see how your accuracy holds up under real time pressure.
Attempt Limits and the Route to Part 2
Candidates are permitted four attempts at Part 1. This is a firm ceiling, so it's worth treating your first sitting as seriously as possible rather than viewing early attempts as "practice runs." Once you pass Part 1, the clock starts on Part 2: it must be passed within four years of your Part 1 pass, so timing your onward preparation matters as much as passing Part 1 itself.
Key Takeaway
Treat every attempt as a real attempt - with only four chances at Part 1, guessing your way through a first sitting to "see the format" is a costly strategy.
To understand how your preparation stacks up statistically, review MJDF Part 1 Pass Rate 2026: What the Data Shows, and keep a condensed reference nearby using MJDF Part 1 Cheat Sheet 2026: One-Page Review of Must-Know Facts in the final weeks before your sitting.
Who This Qualification Is For
Part 1 sits early in a broader progression pathway that dental professionals use alongside Dental Core Training and other postgraduate routes. Because eligibility ties directly to Dental Core Training-level clinical experience, most candidates are early-career dentists actively working clinically while they revise, rather than students studying in isolation. This affects how you should schedule study - most successful candidates fit rotation-based domain revision (as above) around clinical shifts rather than blocking out full-time weeks.
If you're weighing whether the time investment pays off relative to your career plans, Is the MJDF Part 1 Certification Worth It? Complete ROI Analysis 2026 and MJDF Part 1 Salary Guide 2026: Complete Earnings Analysis cover the broader picture, while MJDF Part 1 Jobs and MJDF Part 1 Training look at how the qualification connects to ongoing clinical roles and further training routes.
Whichever stage you're at, practising against realistic single-best-answer questions on our practice test site before your sitting date is one of the most direct ways to confirm your pacing across two 90-question papers actually holds up under timed conditions.
Frequently Asked Questions
The original MJDF Part 1 sitting under that specific name ended in October 2020. Candidates today sit the current tri-collegiate Part 1 examination, which is what this guide and its revision advice are based on.
There are 180 single-best-answer questions total, delivered as two separate 90-question papers, each with a two-hour time limit.
No. There is no negative marking, so you should answer every question rather than leaving any blank.
Candidates have four attempts at Part 1. Once you pass, Part 2 must be completed within four years of that pass.
Underpinning Clinical Knowledge, Clinical Examination and Assessment, and Diagnosis, Patient Management and Treatment Planning each carry 20-30 questions and should anchor your early revision weeks before you move to the smaller domains.