OMSB General Dentist Exam 2026: Eligibility & MCQs

MOH Oman (OMSB) General Dentist Exam Quick Summary

The Oman Medical Specialty Board (OMSB) General Dentist exam is a Pearson VUE-delivered computer-based test of 100 MCQs over 2 hours 30 minutes, with a passing score generally in the 60-65% range, followed by a mandatory viva held at MOH headquarters in Muscat.

MOH Oman (OMSB) General Dentist Exam

The Oman Medical Specialty Board (OMSB), operating under Oman's Ministry of Health, administers this licensing exam for general dentists seeking to practice in Oman. General dentists in Oman are responsible for preventive and routine oral care -- examinations, cleanings, restorative work, extractions, and patient hygiene education -- across the general adult and pediatric population, rather than a single narrow specialty.

The exam is delivered as a closed-book, computer-based multiple-choice test via Pearson VUE, taken as part of OMSB's licensing process alongside DataFlow Primary Source Verification of the applicant's credentials.

Eligibility criteria for the OMSB General Dentist exam

To apply for the OMSB General Dentist exam, candidates are generally expected to meet the following:

Dental degree: A Bachelor of Dental Surgery (BDS), DDS, DMD, or equivalent from a recognized institution.
Internship / house job: Completion of one year of mandatory internship or house job after graduation.
Post-internship clinical experience: Generally 2-5 years of documented post-internship clinical experience for foreign-trained dentists -- confirm your own precise requirement directly with OMSB, since this can depend on your specific application track.
Valid professional registration: An active license or registration to practice dentistry in your home country or country of last employment, plus a Good Standing Certificate (typically valid only 6 months).
DataFlow Primary Source Verification: All educational, professional, and licensing documents verified through DataFlow before scheduling your exam. See the full OMSB general eligibility requirements for the complete document checklist.

Fresh graduates without the required internship or post-internship experience are generally not eligible for independent licensing yet. Confirm your own eligibility status directly through OMSB's application process rather than assuming a general figure applies to you.

OMSB General Dentist exam syllabus & weightage

The exam draws from 9 subject areas, each carrying an approximate share of the 100 questions:

Subject Area
Approximate %
Operative Dentistry & Endodontics
~25%
Oral Medicine & Oral Surgery
~15%
Periodontics
~12%
Prosthodontics
~12%
Pediatric Dentistry
~12%
Orthodontics
~10%
Special Care Dentistry
~10%
Core Competencies (Infection Control, Ethics & Basic Sciences)
~5%

Operative Dentistry, Oral Surgery, and Endodontics together make up the largest share of the exam, so these areas reward the most preparation time. Most questions are single-best-answer, clinical scenario-based MCQs.

OMSB General Dentist study material & questions
Official past papers aren't released publicly, but our Qbank compiles recall-based questions from actual test takers, reviewed by expert dentists.

OMSB General Dentist exam format

100
MCQs
2h 30min
Time allowed
60-65%
Passing score

Passing the written exam is not the final step: candidates must then complete a mandatory viva (oral interview) held monthly at MOH headquarters in Muscat, typically lasting 15-30 minutes in front of a multi-member panel. The exact question count, duration, and passing score can differ from DHA, DOH, and other Gulf authorities' dental exams -- always confirm the OMSB-specific figures directly with OMSB before your exam date.

Preparation tips for the OMSB General Dentist exam

Prioritize Operative Dentistry & Oral Surgery
These carry the heaviest weightage on the exam, so build your revision schedule around them first.
Practice scenario-based MCQs
Expect clinical vignettes requiring diagnostic and treatment-planning judgment, not simple fact recall.
Prepare for the viva separately
The viva tests communication and clinical reasoning verbally -- practice explaining your diagnosis and treatment plan out loud, not just recognizing the right MCQ answer.
Pace yourself
With 100 questions in 150 minutes, you have about 90 seconds per question -- build that pace into your practice sessions early.

Sample Practice MCQs

Test your knowledge with these original clinical scenario-style questions. Tap a question to reveal the answer.

> Question 1: Pediatric Dentistry
A 7-year-old presents with a carious primary molar showing pulpal involvement but no periapical pathology on radiograph, and the tooth has at least 2 years of root life remaining. What is the most appropriate treatment?

Answer: Pulpotomy, followed by a stainless steel crown restoration.

Explanation: In a vital primary tooth with reversible pulpitis and no periapical involvement, pulpotomy preserves the vital radicular pulp and allows normal root resorption, rather than proceeding straight to extraction or a full pulpectomy.
> Question 2: Periodontics
A patient has generalized 4-5mm periodontal pockets with bleeding on probing but no radiographic bone loss. What is the most appropriate initial management?

Answer: Non-surgical scaling and root planing with reinforced oral hygiene instruction.

Explanation: Early-stage periodontal disease with pocketing but no bone loss typically responds to non-surgical debridement and improved plaque control; surgical intervention is reserved for cases that fail to respond to initial non-surgical therapy.
> Question 3: Prosthodontics
A patient reports a clicking sound and mild soreness in the jaw joint after receiving a new complete denture with an increased vertical dimension of occlusion. What is the most likely cause?

Answer: Overestimation of the vertical dimension of occlusion during denture fabrication.

Explanation: Excessive vertical dimension places abnormal strain on the temporomandibular joint and muscles of mastication, producing joint clicking and soreness -- correcting the occlusal vertical dimension typically resolves the symptoms.

Frequently Asked Questions

> What does the OMSB General Dentist exam cover?

It covers general dentistry across 9 subject areas: Operative Dentistry & Endodontics, Oral Medicine & Oral Surgery, Periodontics, Prosthodontics, Pediatric Dentistry, Orthodontics, Special Care Dentistry, and core competencies including infection control, ethics, and basic sciences.

> What is the passing score for the OMSB General Dentist exam?

Candidates generally need to score in the 60-65% range on the written exam, then pass a separate viva. Note that other Gulf authorities running dental licensing exams (DHA, DOH, SDLE) use different question counts, durations, and pass marks.

> Is there a viva or interview component?

Yes. After passing the written exam, candidates must complete a mandatory viva held monthly at MOH headquarters in Muscat, typically 15-30 minutes in front of a multi-member panel, before the license process can proceed.

> Can a fresh graduate sit the OMSB General Dentist exam?

Not directly for independent licensing -- OMSB generally requires one year of internship/house job plus several years of post-internship clinical experience first, with the exact figure depending on your application track. Confirm your own eligibility status directly with OMSB.

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