NDHCE - National Dental Hygiene Certification Examination Practice Test

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NDHCE Practice Test

Updated for November 2026
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To register as a dental hygienist in Canada (outside Québec), you must pass the National Dental Hygiene Certification Examination (NDHCE). This exam checks if you have the knowledge, skills, and abilities needed for the job. It's important for both new graduates and experienced dental professionals to know about the NDHCE. Practice with the free NDHCE - National Dental Hygiene Certification Examination practice test on PracticeTestGeeks (7 questions with answer explanations).

NDHCE: upcoming dates and official changes
  • Nov 20, 2026: The registration deadline for the January 2027 National Dental Hygiene Certification Examination administration is November 20, 2026 at 11:59pm ET.[7]
  • Jan 20, 2027 – Jan 21, 2027: The National Dental Hygiene Certification Examination is scheduled to be administered next on January 20–21, 2027.[7]
  • Jul 24, 2026: A new software platform launched for NDHCE preparatory tests on July 24, 2026, and took effect for actual NDHCE administrations starting with the September 2026 sitting.[8]
  • Jun 20, 2026: The FDHRC announced that the September 2027 sitting will be the final examination administration where eligible pre-2015 candidates may make a fourth attempt at the NDHCE.[3]
  • Jun 12, 2026: Effective June 12, 2026, the FDHRC updated its fee schedule setting the NDHCE registration fee to $850 CAD plus applicable tax from the September 2026 examination onward, and adjusted the standard withdrawal fee to $62 plus applicable tax.[2]

What changed for NDHCE

The NDHCE has 200 questions and costs 850 CAD[1][2] (Federation of Dental Hygiene Regulators of Canada, verified Oct 28, 2026).

  • The National Dental Hygiene Certification Examination consists of 200 multiple-choice questions, comprising 170 scored items and 30 unscored items.[1]
  • Performance on the National Dental Hygiene Certification Examination is reported strictly on a Pass or Fail basis without numeric score reporting.[3]
  • The registration fee for the National Dental Hygiene Certification Examination is $850 CAD plus applicable tax, which includes a non-refundable $62 application fee.[2]
  • Candidates may attempt the National Dental Hygiene Certification Examination a maximum of three times, with a fourth attempt permitted through September 2027 for eligible pre-2015 candidates.[3]
  • The National Dental Hygiene Certification Examination is a computer-based exam administered at Meazure Learning writing centres across Canada.[4]
  • Candidates are eligible to write the National Dental Hygiene Certification Examination if they are within four months of completion of a CDAC or ADA/CODA accredited program, are graduates of such programs, or have an approved equivalency assessment.[5]
  • Unofficial results for the National Dental Hygiene Certification Examination are posted online by candidate ID number, with official results mailed within six weeks of writing the exam.[6]
  • The registration deadline for the January 2027 National Dental Hygiene Certification Examination administration is November 20, 2026 at 11:59pm ET.[7]

Numbers in brackets link to the official sources listed under Sources & last verified. Dates that have passed are removed automatically.

NDHCE Exam at a Glance

ItemDetailSource · Verified
Number of questions200 multiple-choice questions (170 scored, 30 unscored)[1]Federation of Dental Hygiene Regulators of Canada · Oct 28, 2026
Passing scorePass/Fail (no numeric score reported)[3]Federation of Dental Hygiene Regulators of Canada · Oct 28, 2026
Exam fee$850 CAD + applicable tax[2]Federation of Dental Hygiene Regulators of Canada · Oct 28, 2026
Retake policyMaximum 3 attempts (4th attempt permitted through September 2027 for pre-2015 candidates)[3]Federation of Dental Hygiene Regulators of Canada · Oct 28, 2026
DeliveryComputer-based at Meazure Learning writing centres across Canada[4]Federation of Dental Hygiene Regulators of Canada · Oct 28, 2026
EligibilityGraduates or students within 4 months of completion of CDAC or ADA/CODA accredited programs, or approved equivalency assessment[5]Federation of Dental Hygiene Regulators of Canada · Oct 28, 2026
Score releaseUnofficial results posted online; official results mailed within 6 weeks[6]Federation of Dental Hygiene Regulators of Canada · Oct 28, 2026
Next exam dateJanuary 20–21, 2027[7]Federation of Dental Hygiene Regulators of Canada · Oct 28, 2026
Late registration deadlineApproximately 7 calendar days following the regular registration deadline ($150 CAD + tax)[2]Federation of Dental Hygiene Regulators of Canada · Oct 28, 2026
Registration deadlineNovember 20, 2026 at 11:59pm ET (January 2027 sitting)[7]Federation of Dental Hygiene Regulators of Canada · Oct 28, 2026
Testing windowThree sittings per year (typically in or around January, May, and September)[7]Federation of Dental Hygiene Regulators of Canada · Oct 28, 2026

What changed for NDHCE in 2026

Free NDHCE - National Dental Hygiene Certification Examination Study Tools

Interactive NDHCE - National Dental Hygiene Certification Examination resources on PracticeTestGeeks, free to start:

According to Federation of Dental Hygiene Regulators of Canada, “The NDHCE has 200 questions, 170 of which will be scored with the remaining 30 left unscored. The exam is broken into two unique sections of 100 questions each, with two hours allotted to complete each section.”[1]

NDHCE content outline and where to practise each area

The content areas below are copied from the official NDHCE content outline published by Federation of Dental Hygiene Regulators of Canada. The right-hand column shows which of our practice sets covers it.

Official content areaPractice on this site
Clinical Therapy[1]NDHCE Periodontology
Practise periodontal disease recognition, treatment choices and the reasoning behind each step of care.
Collaboration[1]NDHCE Planning Treatments
Practise deciding when to refer, whom to involve and how a hygiene plan fits into the wider treatment plan.
Communication[1]NDHCE Patient Assessment
Practise gathering a patient history, recognising what the answers mean and responding in a clear, respectful way.
Evidence-informed Practice[1]NDHCE Pharmacology
Practise choosing options supported by current evidence, such as drug actions, indications and cautions.
Practice Management[1]NDHCE Infection Control and Safety
Practise sterilization monitoring, safe handling of instruments and what to do when a process fails.
Prevention, Education, and Health Promotion[1]NDHCE Oral Health
Practise matching prevention advice and patient education to individual risk and need.
Professionalism[1]NDHCE Community Oral Health
Practise questions on ethics, scope of practice and your duty to patients and to the public.

NDHCE Practice Test Questions

Prepare for the NDHCE - National Dental Hygiene Certification Examination exam with our free practice test modules. Each quiz covers key topics to help you pass on your first try.

NDHCE Oral Health
NDHCE Exam Questions covering Oral Health. Master NDHCE Test concepts for certification prep.
NDHCE Periodontology
Free NDHCE Practice Test featuring Periodontology. Improve your NDHCE Exam score with mock test prep.
NDHCE Pharmacology
NDHCE Mock Exam on Pharmacology. NDHCE Study Guide questions to pass on your first try.
NDHCE Planning Treatments
NDHCE Test Prep for Planning Treatments. Practice NDHCE Quiz questions and boost your score.
NDHCE Community Oral Health
NDHCE Questions and Answers on Community Oral Health. Free NDHCE practice for exam readiness.
NDHCE Dental Radiography
NDHCE Mock Test covering Dental Radiography. Online NDHCE Test practice with instant feedback.
NDHCE General and Oral Pathology
Free NDHCE Quiz on General and Oral Pathology. NDHCE Exam prep questions with detailed explanations.
NDHCE Head and Neck Anatomy
NDHCE Practice Questions for Head and Neck Anatomy. Build confidence for your NDHCE certification exam.
NDHCE Infection Control and Safety
NDHCE Test Online for Infection Control and Safety. Free practice with instant results and feedback.
NDHCE Patient Assessment
NDHCE Study Material on Patient Assessment. Prepare effectively with real exam-style questions.

Worked examples: how to reason through NDHCE questions

These are practice questions written for this site, not questions from the real exam. Each explanation shows why the right answer is right and why the others are wrong.

Example 1

Question: A dental hygienist discovers that the autoclave failed its weekly spore test. What is the appropriate next step?

  1. Continue using the autoclave and repeat the test next week
  2. Remove the autoclave from service, recall possibly non-sterile instruments, and contact the manufacturer
  3. Increase the temperature setting and retest immediately
  4. Switch to chemical disinfection instead

Answer: B. Remove the autoclave from service, recall possibly non-sterile instruments, and contact the manufacturer

Explanation:

Option B is correct. A failed spore test means the sterilizer may not have killed resistant spores, so it must stop being used, instruments processed since the last good result must be recalled, and the manufacturer or service provider should be contacted. Option A is wrong because it keeps putting patients at risk while the problem continues. Option C is wrong because raising the temperature guesses at a cause and does not establish sterility. Option D is wrong because chemical disinfection is not equivalent to sterilization for critical instruments. The rule to remember: a failed biological indicator is treated as a sterilization failure until the equipment is shown to work again, so remove, recall, investigate and retest.

Example 2

Question: Which bloodborne pathogen poses the highest risk of transmission following a needlestick injury in a dental setting?

  1. HIV
  2. Hepatitis C (HCV)
  3. Hepatitis B (HBV)
  4. Hepatitis A (HAV)

Answer: C. Hepatitis B (HBV)

Explanation:

Option C is correct. Hepatitis B virus carries the highest chance of transmission after a needlestick injury, which is why vaccination for dental staff matters so much. Option A, HIV, is a serious concern but is less likely to be passed on from a single needlestick. Option B, hepatitis C, is also transmitted through blood but at a lower rate than hepatitis B. Option D, hepatitis A, spreads mainly through the faecal-oral route and is not a typical bloodborne risk in a dental setting. The rule to remember: of the common bloodborne viruses, hepatitis B is the most easily transmitted by sharps, and it is the one a vaccine can prevent.

Example 3

Question: The parotid salivary gland's duct (Stensen's duct) opens into the oral cavity at which location?

  1. Sublingual caruncle beneath the tongue
  2. Floor of the mouth near the lingual frenum
  3. Buccal mucosa opposite the maxillary second molar
  4. Posterior soft palate near the uvula

Answer: C. Buccal mucosa opposite the maxillary second molar

Explanation:

Option C is correct. Stensen's duct carries saliva from the parotid gland and opens on the buccal mucosa, on a small papilla opposite the maxillary second molar. Option A describes the sublingual caruncle, where the submandibular (Wharton's) duct opens. Option B is wrong because the floor of the mouth near the lingual frenum is also the area of the submandibular and sublingual duct openings. Option D is wrong because the posterior soft palate has minor salivary glands but no major duct opening. The rule to remember: link each major gland to its duct and its landmark, parotid to the cheek and submandibular to the floor of the mouth.

How to use these practice tests

Start with the official material. Read the FDHRC blueprint and note the content areas listed on this page, then mark which ones feel weakest.

  1. Take a first set cold. Pick a practice set from the table above without reviewing first, so you see where you really stand.
  2. Read every explanation. Read the reasoning for the wrong options as well as the right one. The same ideas often come back in a different form.
  3. Keep an error list. Write down each miss with the rule behind it, in your own words. Review this list rather than rereading whole chapters.
  4. Work by topic, then mix. Spend most of your time on your weakest areas, then switch to the general practice test so topics are mixed together, as they will be on the exam.
  5. Practise on a screen and with a clock. The real exam is computer-based and long, so build up to sitting through a full set without breaks.
  6. Check logistics early. Confirm your eligibility, registration deadline and writing centre on the FDHRC website well before test day.

Our questions are written by us with AI tools and are not real exam questions. Use them to find gaps, and rely on your program notes and official sources for the final word.

Key Takeaways

FREE NDHCE Practice Test Online

What is the NDHCE?

Understanding the NDHCE (National Dental Hygiene Certification Examination) Test

The NDHCE, or National Dental Hygiene Certification Examination, tests the knowledge and skills of those wanting to be dental hygienists. It's key for those starting a career in dental hygiene.

The NDHCE is a test that checks a candidate's skills in dental hygiene. It covers topics like checking oral health, planning treatments, teaching patients, and following laws and ethics. The test is given by the Federation of Dental Hygiene Regulators of Canada (FDHRC), and the Dental Hygiene Certification it awards is required for initial registration in all Canadian provinces except Québec.

Why is the NDHCE Important?

Passing the NDHCE is needed to register as a dental hygienist in every Canadian province except Québec. It shows a candidate is ready to give safe and effective dental care. The test checks skills, knowledge, and professionalism.

This test is key for dental hygienists. It shows a candidate is serious about their job and meets high standards. Passing it opens doors to more career chances, like special roles, research, and teaching in dental hygiene.

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Study Strategies for the NDHCE

Preparing for the Dental Hygiene Certification Exam

Getting ready for the NDHCE (National Dental Hygiene Certification Examination) needs a good plan. To do well, you must use smart study strategies and the best practice tests and resources.

Start by making a detailed study plan. Go through your course materials, textbooks, and notes to understand dental hygiene basics. Then, practice answering sample questions and get used to the exam setting.

Managing your time well is key. Set aside specific study time each day and break it into smaller tasks. Use tools like mnemonic devices and flashcards to remember important info. Also, join study groups or get tutoring to work with others and find what you need to work on.

Practice Tests and Resources

Getting to know the NDHCE format and what it covers is vital. Use practice tests and study guides that are similar to the real exam. This helps you see what you're good at, what you need to work on, and boosts your confidence.

Online tools, like the NDHCE Study Resources from the Canadian Dental Hygienists Association, are great. They offer practice questions, study materials, and advice from experts. Using these resources will make you better at taking tests and deepen your knowledge of dental hygienist requirements and dental hygiene programs.

Pros

  • Required credential for initial registration in every province except Québec
  • Recognized by dental hygiene regulators across Canada
  • Demonstrates entry-to-practice competency
  • Opens the door to clinical dental hygiene practice

Cons

  • Exam preparation requires significant time investment
  • Application and exam fees apply (see the FDHRC fee schedule)
  • Registered hygienists must meet their provincial regulator's ongoing requirements
  • Only offered three times a year (around January, May and September)

Sample NDHCE - National Dental Hygiene Certification Examination Practice Questions

Try these questions from our free NDHCE - National Dental Hygiene Certification Examination practice tests. The correct answer and an explanation follow each question.

  1. A dental hygienist discovers that the autoclave failed its weekly spore test. What is the appropriate next step?

    • A. Continue using the autoclave and repeat the test next week
    • B. Remove the autoclave from service, recall possibly non-sterile instruments, and contact the manufacturer
    • C. Increase the temperature setting and retest immediately
    • D. Switch to chemical disinfection instead

    Answer: B. Remove the autoclave from service, recall possibly non-sterile instruments, and contact the manufacturer

    A failed spore test indicates the autoclave did not achieve sterilization; it must be taken out of service, and instruments processed since the last successful test must be retrieved and re-sterilized.

  2. What is the primary goal of oral health care in dental hygiene?

    • A. To whiten teeth
    • B. To prevent oral diseases
    • C. To correct dental misalignments
    • D. To replace missing teeth

    Answer: B. To prevent oral diseases

    The primary goal of oral health care in dental hygiene is proactive prevention of common oral diseases. This includes preventing dental caries (cavities), periodontal disease (gum disease), and other infections through education, regular cleanings, and targeted preventive treatments. By focusing on prevention, dental hygienists help maintain overall oral health and well-being.

  3. During a comprehensive dental hygiene assessment, which index measures the accumulation of supragingival calculus?

    • A. Plaque Index (PI)
    • B. Calculus Index (CI)
    • C. Gingival Index (GI)
    • D. Periodontal Screening and Recording (PSR)

    Answer: B. Calculus Index (CI)

    The Calculus Index (CI) component of the Oral Hygiene Index-Simplified (OHI-S) specifically measures supragingival and subgingival calculus deposits.

  4. Which of the following medical conditions requires a physician consultation before dental hygiene treatment due to risk of infective endocarditis?

    • A. Type 2 diabetes
    • B. Prosthetic heart valve
    • C. Controlled hypertension
    • D. Seasonal allergies

    Answer: B. Prosthetic heart valve

    Patients with prosthetic heart valves are at high risk for infective endocarditis and may require antibiotic prophylaxis before invasive dental procedures.

Take the full NDHCE - National Dental Hygiene Certification Examination practice test

🇨🇦 🇨🇦 What is the NDHCE exam?
The National Dental Hygiene Certification Examination (NDHCE) is Canada's national entry-to-practice exam for dental hygienists, run by the Federation of Dental Hygiene Regulators of Canada (FDHRC). It measures the knowledge, judgment and skills expected of a new dental hygienist against national practice standards.
🗺️ 🗺️ Do I need the NDHCE to work as a dental hygienist in Canada?
Yes, in most of the country. The National Dental Hygiene Certificate earned by passing the NDHCE is required before you can apply for initial registration or licensing in every Canadian province except Québec, which has its own process.
⏱️ ⏱️ How long is the NDHCE exam?
The NDHCE is split into two separate two-hour sessions with a compulsory 15-minute break between them. Candidates must sit both consecutive sessions, because partial credit is not given for completing only one.
📅 📅 When is the NDHCE offered?
FDHRC offers the NDHCE three times a year, typically in or around January, May and September. The 2027 sittings are January 20-21, May 19-20 and September 22-23, with application deadlines about two months before each sitting.
✅ ✅ What is the passing score for the NDHCE?
There is no published numeric passing score to aim for. The NDHCE is computer scored and reported only as Pass or Fail, and individual scores are not released, so candidates should prepare to be solid across every competency rather than chase a target percentage.
🎓 🎓 Who is eligible to write the NDHCE?
Students in a dental hygiene program accredited by CDAC (Canada) or ADA/CODA (U.S.) can apply once they are within four months of finishing. Graduates of accredited programs may apply directly, while graduates of non-accredited programs must first pass an FDHRC equivalency assessment.
🧭 🧭 What does the NDHCE test cover?
The exam is built from the NDHCE Blueprint around the dental hygiene process: assessment and diagnosis, planning, implementation and evaluation. Questions draw on clinical sciences such as periodontology, pharmacology, radiography, pathology, infection control and community oral health.
📝 📝 Are there official NDHCE practice tests?
Yes. FDHRC sells four equivalent online prep tests, each with 75 multiple-choice, single-answer questions aligned to the 2026 NDHCE Blueprint. Each costs $37.50 plus tax, and after submitting you get rationales and references for questions you answered incorrectly.
📬 📬 How long do NDHCE results take?
Unofficial pass/fail results are posted by candidate ID on the FDHRC website as soon as the testing agency releases them. FDHRC then has up to six weeks from the exam to mail official results, and usually mails them within about two weeks of the unofficial posting.
🎒 🎒 What can I bring into the NDHCE exam?
Only government-issued photo ID, a transparent label-free water bottle and, at writing centres, earplugs. Phones, calculators, smart watches, notes and pens are prohibited, including during the break; rough work is done in an on-screen notepad instead of on paper.

NDHCE (National Dental Hygiene Certification Examination) Questions and Answers

What is the National Dental Hygiene Certification Examination (NDHCE)?

The NDHCE is a key exam that checks if dental hygienists know what they need to do their job well. It is Canada's national entry-to-practice exam, run by the Federation of Dental Hygiene Regulators of Canada (FDHRC), and passing it is required before initial registration in every province except Québec.

Why is the NDHCE important?

The NDHCE is vital for dental hygienists to get their license. Without the National Dental Hygiene Certificate, they cannot apply for initial registration in any Canadian province except Québec. It makes sure hygienists can give top-notch care to patients.

How do I prepare for the NDHCE?

To get ready, make a detailed study plan. Look over your course materials, practice with sample questions, and use study tools. Stick to a schedule, focus on tough areas, and get used to the exam's style and strategies.

What types of resources are available to help me prepare for the NDHCE?

Many resources can help you study for the NDHCE, like study guides, practice tests, and online courses. Using a mix of these can boost your knowledge and confidence before the exam.

How can I ensure I perform well on the NDHCE?

Doing well means using smart test-taking strategies. Manage your time well, read questions carefully, and get rid of wrong answers. Practicing with mock exams can also help you get used to the real exam's style.

What are the requirements for becoming a licensed dental hygienist?

To get a license, you must finish an approved dental hygiene program and pass the NDHCE. You then apply for registration with your provincial dental hygiene regulator, which may have its own additional requirements such as a jurisprudence exam.

What is the passing score for the NDHCE?

NDHCE results are reported only as Pass or Fail. Individual scores are not released. (Verified Oct 18, 2026 against Federation of Dental Hygiene Regulators of Canada.)

How much does the NDHCE cost?

From the September 2026 exam onward, the NDHCE registration fee is $850 CAD plus applicable tax. This includes a $62 non-refundable application fee. (Verified Oct 18, 2026 against Federation of Dental Hygiene Regulators of Canada.)

When is the next NDHCE test date?

The next National Dental Hygiene Certification Examination (NDHCE) after October 2026 is on January 20-21, 2027. It will be held at test centres only. (Verified Oct 18, 2026 against Federation of Dental Hygiene Regulators of Canada.)

Official Resources

Sources & last verified

  1. Federation of Dental Hygiene Regulators of Canada — number of questions, other (official source). “The NDHCE has 200 questions, 170 of which will be scored with the remaining 30 left unscored. The exam is broken into two unique sections…” Verified Oct 31, 2026 · source checked Oct 28, 2026.
  2. Federation of Dental Hygiene Regulators of Canada — exam fee, other, late registration deadline (official source). “This includes a $62.00 (+ tax) non-refundable fee. (Registration for September 2026 exam onwards)**$850** + applicable tax” Verified Oct 28, 2026 · source checked Oct 18, 2026.
  3. Federation of Dental Hygiene Regulators of Canada — passing score, retake policy, other (official source). “The score of the NDHCE® will be reported as Pass or Fail. Specific individual scores will not be reported.” Verified Oct 28, 2026 · source checked Oct 18, 2026.
  4. Federation of Dental Hygiene Regulators of Canada — delivery (official source). “The FDHRC™, through Meazure Learning, our test publisher/administrator, offers a number of computerized Writing Centres at locations across Canada.” Verified Oct 28, 2026 · source checked Oct 28, 2026.
  5. Federation of Dental Hygiene Regulators of Canada — eligibility (official source). “A student in a dental hygiene program that is accredited by the Commission on Dental Accreditation of Canada (CDAC) or the American Dental Association Commission…” Verified Oct 28, 2026 · source checked Oct 18, 2026.
  6. Federation of Dental Hygiene Regulators of Canada — score release (official source). “While the results are posted in the “Exam Results” section of our website as soon as they are available from the Testing Agency, the FDHRC™has…” Verified Oct 28, 2026.
  7. Federation of Dental Hygiene Regulators of Canada — registration deadline, next exam date, testing window (official source). “§January 20-21, 2027**November 20, 2026 at 11:59pm ET**- Withdrawal deadline is December 28, 2026 at 11:59pm ET - Late withdrawal deadline is January 15, 2027…” Verified Oct 28, 2026 · source checked Oct 28, 2026.
  8. fdhrc.ysasecure.com — other (official source). “A new software platform will go live for the preparatory tests on July 24, 2026. This new platform will be used for the NDHCE from…” Verified Oct 28, 2026 · source checked Oct 28, 2026.

How we verify: editorial & fact-checking policy. Report an error: contact us.

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