DOH Specialist Endodontics CBT

Exam at a glance

Questions

100

Duration

120 minutes

Pass mark

not published

Sections

1

Exam type

Written

Language

English

Authority

DOH

Curriculum

Built from the question bank and updated automatically when new questions are added. 8 modules · 1,079 questions · Last updated: 29 October 2026

1. 01Diagnosis219 questions · 20.3 % of the bank

   Chapters

   • Diagnostic terminology: one pulpal and one apical diagnosis
   • Clinical examination and pulp testing
   • Radiographic diagnosis, CBCT and lesions that are not endodontic
   • Special diagnostic problems: cracks, endo-perio lesions, trauma and non-odontogenic pain
   • Patient safety, ethics and professionalism in endodontics
   • Medically compromised patients: endodontic decisions and precautions
   • Foundations: access cavities, canal configurations and working length
   • Foundations: obturation, root-end surgery and the cracked tooth

   Sample question

   Sample question1 / 1 · 0 correct

   A 25-year-old patient had an emergency pulpotomy on tooth 26 last week by another dentist and is referred to complete treatment. Which AAE pulpal diagnosis applies?

   APreviously initiated therapyBPreviously treatedCPulp necrosisDSymptomatic irreversible pulpitis

   Keys: 1–5 or A–E to choose, Enter to check and continue, F to mark.

   MarkCheck answer
2. 02Anatomy & access120 questions · 11.1 % of the bank

   Chapters

   • The pulp space: canal configurations and apical anatomy
   • Tooth by tooth: roots, canals and the extra canal you must look for
   • Access cavity design: orifice laws, straight-line access and restorations
   • Difficult anatomy: calcification, developmental anomalies and 3D imaging
   • Landmark studies of root canal anatomy and what they still teach
   • Foundations: caries, pulpitis and apical disease
   • Foundations: root canal anatomy and treatment principles
   • Foundations: access cavities, canal configurations and working length
   • Foundations: obturation, root-end surgery and the cracked tooth

   Sample question

   Sample question1 / 1 · 0 correct

   When searching for canal orifices in a molar, the clinician notes that the floor of the pulp chamber is darker than the surrounding walls. Which Krasner and Rankow law describes this?

   AFirst law of symmetryBLaw of the cemento-enamel junctionCLaw of colour changeDLaw of orifice location

   Keys: 1–5 or A–E to choose, Enter to check and continue, F to mark.

   MarkCheck answer
3. 03Treatment240 questions · 22.2 % of the bank

   Chapters

   • Shaping and Disinfecting the Root Canal System
   • Obturation, Endodontic Emergencies, Pain and Antibiotics
   • Procedural Errors and Non-Surgical Retreatment
   • Restoring the Root-Filled Tooth and Judging the Outcome
   • Endodontic mishaps: hypochlorite accidents, perforations, nerve injury and emphysema
   • Foundations: access cavities, canal configurations and working length
   • Foundations: obturation, root-end surgery and the cracked tooth

   Sample question

   Sample question1 / 1 · 0 correct

   After shaping with NiTi files and sodium hypochlorite, which final irrigant is used to remove the inorganic part of the smear layer?

   A2 % chlorhexidineB17 % EDTACSterile salineD3 % hydrogen peroxide

   Keys: 1–5 or A–E to choose, Enter to check and continue, F to mark.

   MarkCheck answer
4. 04Vital pulp therapy & regeneration120 questions · 11.1 % of the bank

   Chapters

   • Pulp biology and the logic of keeping the pulp vital
   • Deep caries management: selective removal and stepwise excavation
   • Pulp capping and pulpotomy: technique and materials
   • Immature necrotic teeth: regeneration, apexification and follow-up
   • Classic and current literature in pulp biology and vital pulp therapy
   • Foundations: dental trauma and pulp therapy in children
   • Foundations: space maintainers and fissure sealants

   Sample question

   Sample question1 / 1 · 0 correct

   Which component of MTA is mainly responsible for the grey discoloration of teeth?

   ATricalcium silicateBBismuth oxideCCalcium sulphateDZirconium oxide

   Keys: 1–5 or A–E to choose, Enter to check and continue, F to mark.

   MarkCheck answer
5. 05Surgery120 questions · 11.1 % of the bank

   Chapters

   • Endodontic surgery today: indications, case selection and outcomes
   • Haemostasis, flap design and access: working safely around anatomy
   • Resection, inspection, root-end preparation and filling
   • Closure, complications, alternatives and judging healing
   • Outcome literature: retreatment, surgery, implants and working with other specialties
   • Foundations: access cavities, canal configurations and working length
   • Foundations: obturation, root-end surgery and the cracked tooth

   Sample question

   Sample question1 / 1 · 0 correct

   How much of the root apex should be resected in endodontic microsurgery to remove most apical ramifications?

   A3 mmB1 mmC6 mmDHalf the root length

   Keys: 1–5 or A–E to choose, Enter to check and continue, F to mark.

   MarkCheck answer
6. 06Trauma120 questions · 11.1 % of the bank

   Chapters

   • Examination, classification and fractures of permanent teeth
   • Luxation injuries and splinting
   • Avulsion of permanent teeth
   • Healing complications, resorption and injuries in the primary dentition
   • Long-term care after trauma: ankylosis in growing patients, decoronation, autotransplantation and teamwork
   • Foundations: dental trauma and pulp therapy in children
   • Foundations: space maintainers and fissure sealants
7. 07Classic and current literature80 questions · 7.4 % of the bank

   Chapters

   • Classic studies: infection, outcome and the restored tooth
   • Measuring outcome and reading the research
   • Position statements and guidelines that shape current practice
8. 08Patient safety & professionalism60 questions · 5.6 % of the bank

   Chapters

   • Patient safety in the endodontic clinic
   • Professionalism and ethics in endodontic practice

What you get

• Question bank with a detailed explanation for every answer
• Timed mock exams in the real exam format, with score report by topic
• Personal study plan up to your exam date and review of weak topics
• AI tutor that explains any question in plain words
• One account for the app (iPhone, iPad) and the browser

From registration to licence

The usual steps with DOH. Details can change; check the current rules with DOH before you register.

1. Check eligibility and collect your documents (degree, experience, good standing).
2. Create an account with DOH and submit the application.
3. Receive the exam eligibility and book a date with the test centre.
4. Sit the exam. Results usually come within days.
5. After passing: complete licensing (for example primary source verification) and receive your licence.

Frequently asked questions