NHRA Dentist Exam study guide
NHRA Dentist Exam · Work through your exam, one topic at a time.
The NHRA Dentist Exam is the licensure assessment administered under Bahrain's National Health Regulatory Authority for dentists seeking professional registration to practise in the Kingdom. It is intended for graduates of dental programmes, whether trained in Bahrain or abroad, who need to demonstrate that their clinical knowledge meets the standard expected for independent practice. The NHRA Dentist Exam study guide has 10 sections and about 3,216 words.
01Oral Medicine, Oral Pathology, and Oral Diagnosis
Candidates must be able to move from a lesion's clinical description to a defensible differential. Learn the vocabulary of description first: site, size, shape, colour, surface, border, consistency, duration, and behaviour over time.
371 words, about 2 min02Restorative Dentistry and Endodontics
Restorative questions test principles rather than brand names. Understand cavity design (resistance and retention form, extension for prevention), choice of material by location and load, and the adhesion hierarchy: enamel bonding is reliable, dentine bonding is moisture-sensitive and technique-dependent.
329 words, about 2 min03Prosthodontics
Prosthodontics questions reward a clear grasp of biomechanics and treatment planning rather than prostheses' trade names. For removable partial dentures, know the components and their functions: rests transmit load along the long axis of abutment teeth; clasps provide retention; connectors distribute force; major connectors should be rigid.
340 words, about 2 min04Periodontics
Periodontics hinges on diagnosis, risk assessment, and staged management. Learn the distinction between gingivitis (reversible inflammation confined to soft tissue, no attachment loss) and periodontitis (attachment loss with pocket formation and radiographic bone loss).
333 words, about 2 min05Oral and Maxillofacial Surgery
Surgical questions test safe decision-making: assessment, consent, anaesthesia choice, technique, and recognition of complications. For exodontia, know indications, contraindications, and the principles of a sound extraction - adequate access, anaesthesia, controlled force, and atraumatic technique.
313 words, about 2 min06Orthodontics and Pediatric Dentistry
Pediatric dentistry rewards knowledge of growth, development, and behaviour management. Know the eruption chronology: primary teeth begin around 6 months, first permanent molars and incisors around 6-7 years, canines and premolars around 9-12 years, second molars around 12, third molars in late adolescence.
324 words, about 2 min07Dental Public Health, Epidemiology, and Preventive Dentistry
Public health questions test measurement and prevention logic. Understand incidence (new cases over time) versus prevalence (all cases at a point), and how each is calculated.
295 words, about 1 min08Pharmacology, Therapeutics, and Medical Emergencies
Pharmacology questions test safe prescribing: indication, dose, route, duration, interactions, and contraindications. Know the common dental drugs - local anaesthetics (lidocaine with adrenaline, articaine, prilocaine), analgesics (paracetamol, ibuprofen, the opioid step), antibiotics (amoxicillin, metronidazole, clindamycin as an alternative in penicillin allergy), antifungals, and antiseptics.
309 words, about 2 min09Infection Control, Patient Safety, and Clinical Governance
Infection control questions test standard precautions applied to every patient. Know hand hygiene (the WHO five moments), personal protective equipment, safe sharps handling, and the decontamination cycle: cleaning, disinfection, sterilisation, and storage.
286 words, about 1 min10Professional Ethics, Law, and Health Regulation in Bahrain
Ethics and law questions test professional judgement within a regulatory framework. Know the four ethical principles - autonomy, beneficence, non-maleficence, and justice - and how they apply to consent, confidentiality, and resource allocation.
316 words, about 2 min