Exam Prep Blog

Complete Guide to the ADC Written Examination: What You Need to Know in 2026

Everything internationally trained dentists need to know about the ADC Written Examination, including format, content areas, preparation strategies, and what to expect on exam day.

The GdayDentist Team

26 December 2025

4 min read

Complete Guide to the ADC Written Examination

The Australian Dental Council (ADC) Written Examination is the first major hurdle for internationally trained dentists seeking registration in Australia. This comprehensive guide covers everything you need to know to prepare effectively and pass on your first attempt.

Overview of the ADC Written Examination

The ADC Written Examination tests your theoretical knowledge across all areas of general dental practice. It is designed to ensure that overseas-trained dentists have the foundational knowledge required to practice safely in Australia.

Exam Format

The examination consists of multiple-choice questions (MCQs) presented in a computer-based testing format. Here's what to expect:

ComponentDetails
FormatComputer-delivered MCQ via Pearson VUE
ScheduleHeld over 2 consecutive days, twice yearly (March, September)
Structure4 sections × 70 scenario-based MCQs × 2 hours per section (= 280 questions, 8 hours total exam time)
Question TypesSingle best answer, scenario-based
Passing ScoreCriterion-referenced (varies by sitting)
Pass Validity5 years for candidates passing from March 2026 onwards (was 3 years for prior cohorts)
Testing CentresPearson VUE test centres around the world

Source: ADC Written Examination.

How the written exam is actually scored

Three things about the marking are not obvious from the format table, and each one changes how you should study.

Only 240 of the 280 questions count. The other 40 are unscored — included for calibration and testing. They are spread equally across all four sections, and you are never told which ones they are. Treat every question as scored, because you cannot tell.

The 280 questions are not 280 independent items. Each scenario is a clinical vignette with five multiple-choice questions attached to it, so every sitting is built from exactly 56 scenarios. Misread a vignette and you can lose five marks, not one. Reading the stem carefully is worth more here than in a conventional MCQ paper.

You must pass every cluster — not an overall total. Scored questions are counted per cluster, and you must score above the passing standard in each of the four clusters:

ClusterCovers
Cluster 1Domain 1 — Social Responsibility & Professionalism, and Domain 4 — Health Promotion
Cluster 2Domain 6.1 — Patient Care: clinical information gathering
Cluster 3Domain 6.2 — Patient Care: diagnosis and management planning
Cluster 4Domain 6.3 — Patient Care: clinical treatment and evaluation

This is the part candidates most often miss. A strong clinical score will not rescue a weak professionalism and health-promotion cluster — they are assessed separately and you must clear the standard in all four. If you have been treating Cluster 1 as the soft, low-yield section, that is the cluster most likely to fail you.

One more timing point worth planning around: a valid initial assessment lasts seven years before renewal is required.

Verified 25 August 2026 against the ADC Written Examination Handbook for General Dentistry, sections 3.1, 3.2, 4 and 7.

Content Areas Covered

The ADC Written Examination covers the full scope of general dental practice. The ADC's blueprint sets a target share of questions for each discipline:

DisciplineTarget % of questions
Dental emergencies8%
Endodontics7%
Fixed prosthodontics5%
General medicine (incl. medical emergencies and special needs dentistry)8%
Infection prevention and control5%
Oral medicine and pathology7%
Oral surgery7%
Paediatric dentistry and orthodontics10%
Pain and anxiety management5%
Periodontics9%
Preventive dentistry and behaviour modification10%
Removable prosthodontics5%
Restorative dentistry (incl. carious and non-carious tooth surface loss)14%

Pharmacology (10%), radiology (10%) and implantology (4%) are assessed across these disciplines.

Source: ADC Written Examination Handbook for General Dentistry (Rev E, September 2025), Table 1.

Typical topics within the main areas:

1. Oral Medicine and Pathology

  • Diagnosis and management of oral mucosal diseases
  • Oral manifestations of systemic diseases
  • Oral cancer recognition and referral
  • Salivary gland disorders
  • Temporomandibular disorders

2. Oral Surgery and Anaesthesia

  • Local anaesthesia techniques and pharmacology
  • Exodontia principles and complications
  • Management of dental emergencies
  • Medical emergencies in the dental setting
  • Pre-operative assessment and risk management

3. Restorative Dentistry

  • Operative dentistry principles
  • Material science and selection
  • Direct and indirect restorations
  • Occlusion and bite assessment
  • Dental trauma management

4. Prosthodontics

  • Complete dentures
  • Removable partial dentures
  • Fixed prosthodontics
  • Implant-supported prostheses
  • Treatment planning

5. Periodontics

  • Classification of periodontal diseases
  • Non-surgical periodontal therapy
  • Surgical periodontal procedures
  • Periodontal-systemic relationships
  • Maintenance protocols

6. Endodontics

  • Pulp biology and diagnosis
  • Root canal treatment principles
  • Retreatment considerations
  • Endodontic emergencies
  • Prognosis assessment

7. Paediatric Dentistry

  • Child behaviour management
  • Preventive strategies
  • Treatment of primary teeth
  • Developmental anomalies
  • Trauma in children

8. Orthodontics

  • Growth and development
  • Classification of malocclusions
  • Interceptive orthodontics
  • Referral criteria
  • Space management

Preparation Strategies

Study Resources

  1. Core Textbooks

    • Oxford Handbook of Clinical Dentistry
    • Contemporary Oral and Maxillofacial Surgery
    • Pharmacology and Therapeutics for Dentistry
    • Dental Materials: Clinical Applications
  2. Online Resources

    • GdayDentist ADC preparation course
    • The ADC's example scenario-based question (on the ADC website)
    • Dental MCQ question banks
  3. Study Groups

    • Connect with other ADC candidates
    • Weekly topic discussions
    • Mock exam practice together

Effective Study Methods

Active Recall: Don't just read passively. Test yourself frequently with practice questions.

Spaced Repetition: Review material at increasing intervals to improve long-term retention.

Focus on Weak Areas: Identify topics you struggle with and dedicate extra time to them.

Practice Under Exam Conditions: Complete full-length practice exams under timed conditions.

Common Mistakes to Avoid

  1. Starting preparation too late - Allow at least 3-6 months of dedicated study time

  2. Ignoring Australian-specific guidelines - Familiarise yourself with Australian dental regulations and standards

  3. Over-relying on one resource - Use multiple study materials for comprehensive coverage

  4. Neglecting practice questions - MCQ practice is essential for exam success

  5. Poor time management on exam day - Practice pacing yourself during mock exams

Exam Day Tips

  • Arrive by the time in your Pearson VUE confirmation (usually at least 45 minutes before the start)
  • Bring valid identification (passport recommended)
  • Read each question carefully before answering
  • Flag difficult questions and return to them later
  • Don't change answers unless you're certain

After the Exam

Results are usually released about six weeks after the examination. If successful, you can proceed to the ADC Practical Examination. If unsuccessful, you can apply for a later sitting; the ADC sets no limit on the number of attempts.

Next Steps

Once you pass the ADC Written Examination, your next milestone is the ADC Practical Examination. Begin preparing early by reviewing clinical procedures and familiarising yourself with Australian clinical standards.


Preparing for the ADC exam? GdayDentist offers comprehensive preparation courses with 6,000+ practice questions (over half set in clinical scenarios), detailed explanations, and expert guidance to help you succeed.

Frequently Asked Questions

How many times can I attempt the ADC Written Examination?

There is no limit. You can attempt the ADC Written Examination as many times as you need, as long as you still hold a valid initial assessment (usually valid for seven years). No credit is carried over from earlier attempts.

What is the passing score for the ADC Written Exam?

There is no set pass mark. The ADC sets the passing score for each of the four clusters at every sitting, at the standard of a minimally competent recent Australian graduate, and doesn't publish it. You must pass all four clusters, so focus on thorough preparation rather than a target percentage.

How long should I study for the ADC Written Exam?

Most successful candidates study for 3-6 months, dedicating 3-4 hours daily. The exact time depends on your background, experience, and how recently you've practiced dentistry.

Can I use a calculator during the ADC Written Exam?

No, calculators are not permitted. However, the exam questions are designed so that complex calculations are not required.

Is the ADC Written Exam available in languages other than English?

No, the ADC Written Examination is only available in English. The ADC doesn't require an English test to sit it, but you'll need to meet the Dental Board's English language standard (for example, IELTS or OET) when you apply for registration.

What happens if I fail the ADC Written Exam?

If you fail, you can apply for the next sitting (the exam runs twice a year, usually in March and September). Review your performance report to identify weak areas and focus your study accordingly.

Legal Information & Attribution

Sources & References

ADC Examination Information

Australian Dental Council — ADC Official Website

https://www.adc.org.au/

License: Public InformationAccessed: 26 December 2025