About the exam
LDS Part 1 Exam structure
An independent study guide aligned to the current RCS England LDS Syllabus 2026 and the Part 1 outcomes in the GDC Safe Practitioner Framework.
Issuer and path
LDS Part 1 Study Guide is administered through Royal College of Surgeons of England. Check official resources before booking, retesting, or relying on a stale requirement.
Paper A
150 scored + 0 pretest
Clinically applied dental science and clinically applied human disease: 150 single-best-answer questions.
Paper B
150 scored + 0 pretest
Aspects of clinical dentistry, law and ethics, and health and safety: 150 single-best-answer questions.
Before your sitting
Use the current candidate guidance and direct RCS England communications to confirm booking, remote-proctoring checks, identification, room and equipment rules, reasonable adjustments and the timetable for both papers.
Official Outline Coverage Map
Coverage is mapped to official outline item counts so content depth can be checked without hard-coding a single exam.
| Topic | Official outline items | Your questions | Your flashcards | Confidence |
|---|---|---|---|---|
| Oral and Dental Disease Science | 0 | 34 | 5 | Strong |
| Systemic and Psychological Disease | 0 | 33 | 5 | Strong |
| Anatomy, Physiology and Development | 0 | 33 | 5 | Good |
| Infection and Equipment Safety | 0 | 34 | 5 | Strong |
| Medicines and Substance-related Risk | 0 | 33 | 5 | Strong |
| Biomaterials and Ionising Radiation | 0 | 33 | 5 | Strong |
| Consent, Assessment and Prognosis | 0 | 34 | 5 | Strong |
| Anaesthesia, Sedation and Intervention Risk | 0 | 33 | 5 | Strong |
| Evidence, Technology and Referral Pathways | 0 | 33 | 5 | Strong |
| Anxiety, Pain, Medicines and Follow-up | 0 | 21 | 5 | Strong |
| Clinical Environment and Infection Control | 0 | 21 | 5 | Strong |
| Medical and Dental Emergencies | 0 | 20 | 5 | Strong |
| Personalised Prevention and Nutrition | 0 | 21 | 5 | Strong |
| Periodontal Health and Monitoring | 0 | 21 | 5 | Strong |
| Oral Surgery, Unerupted Teeth and Periradicular Disease | 0 | 20 | 5 | Good |
| Caries and Minimal Intervention | 0 | 21 | 5 | Strong |
| Occlusion, Tooth Wear and Temporomandibular Disorders | 0 | 21 | 5 | Good |
| Endodontics, Dentures and Implants | 0 | 20 | 5 | Strong |
| Patient-centred Teamwork and Delegation | 0 | 20 | 5 | Strong |
| Safe Systems and Raising Concerns | 0 | 19 | 5 | Strong |
| Leadership and Social Accountability | 0 | 19 | 5 | Good |
| Patient Information, Regulation and Indemnity | 0 | 19 | 5 | Strong |
| Candour, Patient Safety, Complaints and Concerns | 0 | 19 | 5 | Strong |
| Professional Conduct and Regulatory Compliance | 0 | 19 | 5 | Strong |
How to use this guide
How to prepare for LDS Part 1
Build clinically applied knowledge, then practise selecting the single best safe action from five plausible options under timed conditions.
1. Identify the tested decision
Separate the decisive clinical, safety, legal or professional issue from background details and note whether the question asks for diagnosis, management, risk, referral or duty.
2. Stabilise immediate risk
Prioritise airway, serious deterioration, spreading infection, safeguarding, patient-safety threats and urgent escalation before routine or definitive care.
3. Integrate the patient context
Apply medical and psychological conditions, medicines, consent, values, ability, self-care, setting and treatment prognosis to the decision.
4. Apply current UK standards
Use current evidence, GDC duties, clinical governance, health-and-safety requirements and an appropriate scope or referral threshold.
5. Choose the most complete next step
Prefer the option that addresses the main problem, is proportionate, sits within competence and closes the loop with communication, documentation or follow-up.
Paper A map
Apply science to the patient in front of you
Paper A links clinically applied dental science and human disease to assessment, risk, evidence and referral.
Oral, Dental and Human Science
Disease mechanisms and presentation, systemic and psychological disease, anatomy, physiology, development and patient variation.
Choose a topic to open below
Infection, Medicines and Materials
Infection science, equipment safety, pharmacology, substance-related risk, biomaterials and ionising-radiation principles.
Choose a topic to open below
Assessment, Risk and Evidence
Consent, assessment, prognosis, anaesthesia and sedation risk, referral pathways, evidence appraisal and new technology.
Choose a topic to open below
Paper B map
Integrate clinical care with safe professional practice
Paper B combines clinical dentistry with health and safety, teamwork, governance, law, ethics and professionalism.
Patient Management and Acute Care
Medical and psychological modifiers, anxiety and pain, medicines, clinical-environment safety, infection control and urgent care.
Choose a topic to open below
Prevention, Periodontal Care and Oral Surgery
Personalised prevention, nutrition, periodontal health, hard- and soft-tissue disease, referral and non-specialist surgical principles.
Choose a topic to open below
Restorative Dentistry and Rehabilitation
Caries, occlusion, tooth wear, temporomandibular disorders, minimal intervention, endodontics, dentures and implants.
Choose a topic to open below
Teamwork, Governance and Leadership
Patient-centred teamwork, delegation and referral, safe systems, best-practice guidance, raising concerns, leadership and social accountability.
Choose a topic to open below
Law, Ethics and Professionalism
Patient information, GDC expectations, indemnity, candour, patient-safety reporting, complaints and professional conduct.
Choose a topic to open below
Oral and Dental Disease Science
Connect aetiology, pathogenesis and epidemiology with presentation, diagnosis, prevention, treatment and referral.
Key rules
Rule 1
Disease mechanisms and population trends help explain why oral and maxillofacial conditions present differently and require different management.
Exam cue: Move from cause and mechanism to the most likely presentation and safe next step.
Rule 2
Malignancy knowledge must translate into recognition of suspicious change and timely investigation or biopsy referral.
Exam cue: Treat unexplained or persistent suspicious change as a referral problem, not a reassurance problem.
Common traps
Naming a disease without using the presentation to distinguish it from alternatives.
Prevention: Do not select a technically possible option if it ignores urgency, consent, medical risk, competence, follow-up or the patient's priorities.
Delaying referral while attempting inappropriate empirical treatment.
Prevention: State the reason and urgency, protect the patient while transfer is pending, and close the communication loop.
Memory anchors
What four lenses organise oral disease science?
Aetiology, pathogenesis, epidemiology and clinical presentation.
What should follow recognition of possible malignancy?
Prompt referral for investigation and biopsy through the appropriate pathway.
Why do epidemiological trends matter?
They change pre-test probability and prevention priorities for the population in front of you.
What is the safe sequence for a disease vignette?
Recognise the pattern, identify risk, narrow the diagnosis and choose the safe next step.
What makes a presentation urgent?
Features suggesting malignancy, spreading infection, airway risk, neurological change or rapid deterioration.
Next best moves
Quick check-up
Use a short quiz to confirm the rule pattern is actually sticking.
Check-up Questions
A patient reports a brief sharp pain from an upper premolar when drinking cold water. The pain stops as soon as the stimulus is removed, and there is no tenderness to percussion. What is the most likely pulpal diagnosis?
A heavily restored molar causes spontaneous throbbing pain that wakes the patient. Cold testing produces severe pain that lingers for more than a minute, but there is no swelling. Which diagnosis best fits?
Answer all questions to submit.
Next step personalized recommendations
Open another topic next
Official resources
Verify the details with the official sources
Use these links for eligibility, scheduling, handbook rules, and issuer updates. Our guide helps you study; official sources tell you what the testing partner currently requires.
RCS England LDS Part 1
The current dedicated assessment page with delivery method, paper descriptions, question counts and timing.
LDS Syllabus 2026
The authoritative LDS syllabus aligned to the GDC Safe Practitioner Framework, including the component-by-component assessment matrix.
LDS Part 1 Candidate Guidance 2026
Official guidance on SBA construction, two-section paper flow, optional comfort breaks, marking, standard setting and candidate conduct.
LDS structure change from 2026
RCS England's transition notice confirming Safe Practitioner alignment and explaining which LDS components changed or remained unchanged.
GDC Safe Practitioner Framework — Dentist
The GDC framework defining the four domains and outcomes used by the current LDS syllabus.
RCS England Licence in Dental Surgery
The main LDS qualification page with eligibility, component sequence, regulations and candidate information.
FAQ
Common LDS Part 1 questions
Is this an official RCS England or GDC resource?
No. This is an independent study guide. The current RCS England exam page, LDS Syllabus 2026, candidate guidance, exam regulations and communications sent directly to candidates remain authoritative.
What is the current LDS Part 1 structure?
Part 1 contains two online remotely proctored papers. Paper A covers clinically applied dental science and clinically applied human disease. Paper B covers aspects of clinical dentistry, law and ethics, and health and safety. Each paper has 150 questions and lasts 180 minutes.
Are LDS Part 1 questions SBA or EMQ?
The current dedicated assessment page and LDS Part 1 Candidate Guidance 2026 specify single-best-answer questions throughout. Each question has a short clinical scenario, five options and one best answer.
How are the two papers organised on the assessment day?
Each paper is divided into two sections. The candidate guidance describes an optional comfort break of up to ten minutes between sections. Once the break is taken, the first section is closed and cannot be revisited.
Can a strong Paper A score compensate for failing Paper B?
No. Candidates must achieve the pass mark in both Paper A and Paper B at the same sitting. A pass in one paper cannot be carried forward or used to compensate for the other.
Is there a fixed pass mark?
No fixed percentage is published in advance. RCS England standard-sets each paper separately for the diet, so the required mark can vary with the paper.
What does the 2026 syllabus change mean?
The Part 1 assessment structure remains two 150-question SBA papers. The important change is curricular: exams from the May/June 2026 diet align to the GDC Safe Practitioner Framework and the LDS Syllabus 2026 rather than the previous learning-outcomes framework.
Does Part 1 assess every outcome in the Safe Practitioner Framework?
No. The LDS syllabus has separate columns for Part 1 SBA and the later SCR, OSCE and PCS components. This guide includes only the 74 behaviours and learning outcomes explicitly marked for Part 1 SBA.
Does Part 1 include the syllabus Public Health outcomes?
The outcomes grouped under Public Health P3 are marked for the later Part 2 structured clinical reasoning assessment, not the Part 1 SBA papers. Part 1 can still place epidemiology, prevention, evidence appraisal and social accountability in dental contexts where those map to an outcome that is explicitly marked for Part 1.
Does this bank reproduce the later practical or clinical assessments?
No. Part 2 uses an OSCE and six structured clinical reasoning cases, while Part 3 is an operative test on a dental manikin. This bank uses five-option written SBAs only and does not relabel practical, communication or extended-response tasks as multiple-choice questions.
What are the progression rules after Part 1?
Both Part 1 papers must be passed at one sitting before a candidate can apply for Part 2. Current regulations allow three Part 2 attempts and require Parts 2 and 3 to be passed within five years of passing Part 1.
What standards should clinical answers follow?
The candidate guidance expects candidates to understand current UK clinical guidelines and standards, including regulations relevant to safe clinical practice. When a local detail varies, prioritise the scenario, current national duties and the safest defensible action.
Why does this guide not claim official topic weights?
RCS England publishes the two paper descriptions and total item counts but not a topic-by-topic item allocation. This guide preserves the equal paper split and balances practice across all Part 1 outcomes without presenting internal study targets as official weights.