Failed DOH General Dentist Exam Twice: Third Attempt 2026
Last updated on 27-Oct-2026, by Dr. Muhammad Dr. Muhammad

 

Failed DOH/HAAD General Dentist Exam Twice: How to Best Prepare in 2026?

Third Attempt Quick Summary

After two failed DOH General Dentist attempts you have one attempt left out of the three allowed across DOH, DHA and MOHAP, so treat it as your last. There is no waiting period, but do not rebook until your timed scores on 150 MCQs in 3 hours are consistently good: find why you failed, rebuild your weak subjects, then practise full timed blocks.

Two fails in the DOH (Department of Health) Abu Dhabi General Dentist exam is discouraging, but it is not unusual, and it tells you something useful. A dentist who fails twice rarely lacks knowledge across the board. The usual causes are two or three weak subjects, poor timing, or preparing the same way both times. The third attempt has to be different. This page covers what the rules allow after two fails and a study plan built for a retake.

How many DOH attempts do you have left after failing twice?

One. The Unified PQR allows three attempts at the licensing exam, and failed attempts with DHA or MOHAP count towards the same three. If you fail a third time, you may be granted one last attempt with a different UAE authority, but that is not automatic: the other authority decides, and you must declare your previous attempts. A fourth DOH attempt in the same title is not possible.

Rule What it means for your third attempt
Attempts 3 in total across DOH, DHA and MOHAP; after that, possibly 1 last attempt with a different authority
Waiting period None. You can rebook as soon as a date is free
Time limit The attempt must fall inside your 6-month exam approval window; if the window closes, the application closes and you apply again
Booking Pay the booking fee again in TAMM, then choose a date through the Pearson VUE link
Format Computer-based test of 150 MCQs in 3 hours at a Pearson VUE centre
Result PASS or FAIL in TAMM, usually within 24 hours; no score breakdown and no published pass percentage

The full rules, including how to rebook step by step, are on our DOH exam retake policy page. The pass mark question is covered on DOH exam passing score.

Should you rebook the third attempt straight away?

Only if your approval window is about to close. Otherwise, no. The lack of a waiting period tempts people to rebook within days while the exam is fresh in their mind, and that is how a second fail becomes a third. A simple test: book when you can score well on two or three full timed blocks of 150 questions in a row, not after one good day. If your window will close before you are ready, a closed application is usually a smaller problem than a used-up attempt, but confirm your own position with DOH on TAMM before you decide.

How to best prepare for the third DOH General Dentist attempt

STEP 1
Work out why you failed
DOH gives no score report, so you have to do this yourself. Write down, the same day if possible, which subjects felt hard and whether you ran out of time. Then sit a timed diagnostic block of mixed questions and mark your accuracy subject by subject. Two or three subjects usually stand out.
STEP 2
Rebuild the weak subjects first
Do not restart the whole syllabus from page one. Spend the first weeks on your weakest subjects, using a standard textbook chapter and then 40 to 50 MCQs on that subject each day. Read every explanation, including for questions you got right by guessing.
STEP 3
Cover the subjects people skip
Repeat candidates often know restorative work and endodontics well but lose marks in pharmacology, medical emergencies, infection control, dental materials and radiology. These are quick to revise and the questions are often direct.
STEP 4
Finish with full timed blocks
In the last 2 to 3 weeks, sit full blocks of 150 MCQs in 3 hours under exam conditions. After each block, review every wrong answer and go back to that topic before the next block.

DOH does not publish a subject weighting for the General Dentist exam, so be wary of anyone quoting exact percentages. The clinical subjects (operative dentistry, endodontics, periodontics, prosthodontics and oral surgery) supply most questions in practice. Our DOH exam subjects and topics for dentists page lists the high-yield topics in each subject, and you can use it as a checklist.

Find your weak subjects before you rebook
Practise DOH-style general dentistry MCQs subject by subject with explanations, then switch to timed mock exams.

Exam techniques for the DOH dentist exam

Knowledge got you close twice. Technique often makes up the last few marks.

  • Time: 150 questions in 180 minutes gives you about 72 seconds per question. Check your progress at question 50 (about 60 minutes) and question 100 (about 120 minutes).
  • Elimination: In most questions one or two options are clearly wrong. Strike them out and decide between what is left.
  • Answer everything: DOH does not publish any negative marking, so never leave a question blank. Mark a best guess, flag it, and move on.
  • Read the last line first: Words like "first step", "most appropriate" and "except" change the answer. In a scenario, choose the safest correct action for the patient, not just a theoretically true statement.
  • Do not change answers without a reason: Change a flagged answer only if you find a clear fact that proves your first choice wrong.

What to do on exam day

Sleep properly the night before; a third attempt after a sleepless night is a waste of months of work. Eat before you go, arrive early with your Pearson VUE confirmation and the ID that matches your booking, and attempt every question. If you feel anxious in the first ten questions, that is normal. Slow your breathing, keep to your timing plan and it settles. Our DOH Pearson VUE test centre guide explains what happens at the centre.

DOH General Dentist sample practice MCQs

Two questions in the clinical style of the Pearson VUE CBT. Tap a question to see the answer.

Question 1: Oral Surgery (anticoagulated patient)

A 64-year-old man with atrial fibrillation takes warfarin and has a stable INR. He needs extraction of a non-restorable mandibular first molar. His INR, checked this morning, is 2.6. What is the most appropriate management?

A) Stop warfarin for 3 days and extract when the INR is below 1.5
B) Stop warfarin and bridge with low molecular weight heparin
C) Extract today without stopping warfarin, using local haemostatic measures such as packing and sutures
D) Give oral vitamin K 2 hours before the extraction

Correct answer: C) Extract today without stopping warfarin, using local haemostatic measures such as packing and sutures

When the INR is below 4, current dental guidance (SDCEP) advises treating without interrupting warfarin, because stopping it raises the risk of thromboembolism more than continuing raises bleeding risk. Check the INR ideally within 24 hours (up to 72 hours in a stable patient), pack the socket with a haemostatic agent and suture, and consider limiting the first visit to a single extraction. If the INR is 4 or more, delay and contact the anticoagulation clinic. Reversal with vitamin K or bridging is not needed for a simple extraction.

Question 2: Prosthodontics (Kennedy classification)

A maxillary arch is to be restored with a removable partial denture. The missing teeth are 16, 17, 25, 26 and both third molars (18 and 28). Tooth 27 is present, and the third molars will not be replaced. Using the Kennedy classification with Applegate's rules, how is this arch classified?

A) Class I, modification 1
B) Class II, modification 1
C) Class II, modification 2
D) Class III, modification 1

Correct answer: B) Class II, modification 1

Missing third molars that will not be replaced are ignored. On the right, nothing remains distal to 15, so there is a unilateral free-end (distal extension) saddle: Class II. On the left, the space of 25 and 26 is bounded by 24 and 27, so it is one additional edentulous area: modification 1. The most posterior edentulous area decides the class, and only the number of extra spaces counts for the modification, not their length.

Frequently Asked Questions

How many times can I take the DOH General Dentist exam?

Three times in total, and failed attempts with DHA or MOHAP count towards the same limit. After three fails you may be granted one last attempt with a different UAE authority, which that authority decides. A fourth DOH attempt in the same title is not allowed.

Is there a waiting period after failing the DOH exam?

No. You can pay the booking fee again in TAMM and book the next free date, as long as it falls inside your 6-month exam approval window. Being allowed to rebook quickly does not mean you should; book when your timed practice scores are consistently good.

Does DOH tell me which subjects I failed?

No. The result in TAMM shows only PASS or FAIL, with no score or subject breakdown. Note your weak areas straight after the exam and confirm them with a timed diagnostic block of mixed practice questions.

How long should I prepare before a third attempt?

Most working dentists need 6 to 8 weeks of focused study after two fails: about four weeks on weak subjects, one or two on the often skipped subjects (pharmacology, emergencies, materials, infection control) and two to three weeks of full timed blocks. Fit this inside your approval window.

Can I switch to the DHA or MOHAP dentist exam instead?

Your failed DOH attempts count towards the UAE limit, so moving to DHA or MOHAP does not give you a fresh set of three. The syllabus is similar across the authorities. Choose the authority where you want to work and check its rules before you apply.

Your Comments

Readers have asked us these questions over time. Tap any question to open it and read our reply.

poornima pilli (Kakinada, India): DOH syllabus and model papers for general dentists

"im a dentist with 6years experience.plz help me to know the HAAD/DOH syllabus, model test papers for general dentist to appear for DOH exam"
poornima pilli
Medical Qualification:ds
City Country:kakinada,india

Team Interface: DOH does not publish past papers or an official blueprint. Use our DOH dentist subjects and topics page as your syllabus checklist and practise with the DOH General Dentist Qbank linked on this page.
Grace (Philippines): DOH exam for physical therapists in Riyadh

"Can you kindly inform me about the process of taking DOH for Physical Therapy? Where in Riyadh can we take the exam? What are the requirements? How to Register?"
Grace
Medical Qualification:Graduate of BS Physical Therapy
City Country:Philippines

Team Interface: Physiotherapists apply on TAMM like other professionals; see our DOH physiotherapist exam page for the format and eligibility. Pearson VUE centres in Saudi Arabia are covered on DOH exam scheduling from Saudi Arabia; the booking screen shows which Riyadh centres offer your exam.
Terrence Edward Lee (Baguio City, Philippines): how long is a written pass valid before the oral?

"how long is the validity of the passed written examination before taking the oral exam?"
Terrence Edward Lee
Medical Qualification:Medical Technologist
City Country: Baguio City, Philippines

Team Interface: DOH sets one assessment per title, either a computer-based test or an oral exam, so you do not need to pass one to sit the other. A DOH PASS stays valid for 5 years for the same title. Our DOH oral exam guide lists which titles sit an oral.
jamsheer (Calicut, India): dentist with 6 months experience, can I sit the DOH exam?

"i am 6 month experianced dentist.can i write haad/doh.what are the DOH passing criteria for that"
jamsheer
Medical Qualification:b d s
City Country:calicut,india

Team Interface: Under the Unified PQR a General Dentist needs 2 years of clinical experience after the internship, so 6 months is not yet enough; see DOH eligibility for dentists. On passing: DOH shows only PASS or FAIL and does not publish a percentage.
Afolabi Rahman (Lagos, Nigeria): surgical residency in the UAE for a Nigerian graduate

"Good morning, i want to know if a medical graduate in Nigeria is eligible for residency training in surgery in UAE"
Afolabi Rahman
Medical Qualification:MBChB
City Country: Lagos, Nigeria

Team Interface: UAE residency programmes set their own entry rules and each programme decides who it accepts. Our UAE medical residency programs page explains how they work and how to apply.
Shereen (Abu Dhabi): DOH exam and syllabus for biochemists

"Hi, I want to know about DOH test for Biochemist and details about the syllabus in DOH Examination."
Shereen
Medical Qualification:Msc.Medical Biochemistry
City Country:Abu dhabi

Team Interface: Laboratory titles have their own requirements in the Unified PQR, and DOH confirms your title and exam during review on TAMM. Our DOH exam paper pattern page shows the format by title.
luiza antony (Kollam, India): DOH exam pattern and eligibility for lab technologists

"Hai i want to know the exam pattern of doh and candidates eligibility for taking thise test"
luiza antony
Medical Qualification:BSC MLT
City Country: kollam, india

Team Interface: The format by title is on our DOH exam paper pattern page. Eligibility for laboratory titles follows the Unified PQR; check your title on doh.gov.ae and apply on TAMM, where DOH confirms it.
sara paulose (Madurai): planning the DOH exam, where to start?

"planning to write doh exam pls help and guide me"
sara paulose
Medical Qualification:m.sc
City Country:madurai

Team Interface: Start with our DOH exam registration guide: TAMM account, then DataFlow verification, then DOH review, then the exam booking.
TEZOM LINUS FOMUNOH (Abu Dhabi, UAE): cannot register for the June session

"Can you help me Register for this JUNE Session of DOH Licensing EXAM. i have tried several times with Failure thank in advance"
TEZOM LINUS FOMUNOH
Medical Qualification:BACHELOR DEGREE IN NURSING
City Country: ABUDHABI, UAE

Team Interface: DOH no longer runs fixed sessions; you book any free date after approval, through the Pearson VUE link in TAMM. Our DOH booking via TAMM page has a table of common booking problems and fixes.
precilla dsouza (Abu Dhabi): model papers for dialysis technicians

"modle qustion papper for DOH exam plse send"
precilla dsouza
Medical Qualification: diploma dialysis technician
City Country: abudabi

Team Interface: DOH does not release model papers. We do not have a dialysis technician Qbank; you can see which DOH titles we cover on our DOH exam page.
sangeetha (Bangalore, India): optometrist looking for a job in Abu Dhabi

"looking job in abudabi as a optometrist"
sangeetha
Medical Qualification:boptom
City Country:india.banglore

Team Interface: An Abu Dhabi employer will normally expect a DOH licence or at least a DOH PASS. Our jobs after the DOH exam page explains how candidates find a facility to link their licence.
mahendra verma (Raibarelli, India): dentist searching for jobs overseas

"in search for jobs overseas"
mahendra verma
Medical Qualification:bds mcmph
City Country:raibarelli,india

Team Interface: For Abu Dhabi, start with DOH eligibility for dentists. If another emirate suits you better, the syllabus is similar and you can practise for the DHA General Dentist exam or the MOH UAE General Dentist exam.

Make your third DOH attempt count

Find your weak subjects, fix them with explained MCQs and finish with full 150-question timed mocks before you rebook.

Enroll in DOH General Dentist Question Bank