Articles
NDHCE & dental hygiene, in depth
Sourced, up-to-date guides on Canada’s dental hygiene certification exam and the profession behind it — from exam strategy to careers to the clinical science.
The NDHCE exam
Format, scoring, prep strategy and what to expect on the way to certification.
NDHCE pass rates (2021–2025)
The NDHCE pass rate has held in the mid-80s for five years, with May sittings the highest and September the lowest. Here's the data and what it means for you.
Read → Aug 5, 2026NDHCE test day
How NDHCE test day works: two locked sections, the 15-minute break, the writing-centre rules, exam security, and when results arrive. Walk in knowing the drill.
Read → Aug 5, 2026What to do if you fail the NDHCE
Failed the NDHCE? Here's how rescores, reconsiderations and appeals actually work, how many attempts you get, and the study changes that turn a fail into a pass.
Read → Aug 5, 2026The 7 NDHCE blueprint domains
The NDHCE tests seven competency domains, from Professionalism to Clinical Therapy. Here's what each covers, how it's weighted, and where to spend your study time.
Read → Aug 5, 20268-week NDHCE study plan
A realistic, blueprint-weighted 8-week study plan for the NDHCE — what to cover each week, when to take the official practice tests, and how to drill cases.
Read → Aug 5, 2026Best NDHCE prep resources (2026)
The official FDHRC practice tests, commercial courses, textbooks and free tools for the NDHCE — what each is good for, what to watch out for, and the minimum stack that works.
Read → Aug 5, 2026NDHCE vs NBDHE
The Canadian NDHCE and the US NBDHE are separate exams. Content overlaps ~70–80%, but tooth numbering, law, ethics and drug references differ. Here's what matters.
Read → Aug 4, 2026FDI vs Universal tooth numbering
Canada uses FDI two-digit tooth numbering; US resources use the Universal 1–32 system. Mixing them up costs marks on the NDHCE. Here's how to read FDI fluently.
Read → Aug 3, 2026Careers & registration
Becoming a dental hygienist in Canada, salaries, scope of practice and staying registered.
How to become a dental hygienist in Canada
The full pathway to becoming a licensed dental hygienist in Canada: accredited education, the NDHCE certification exam, and provincial registration — explained step by step.
Read → Aug 5, 2026Dental hygienist salary in Canada
How much do dental hygienists earn in Canada? Government Job Bank data puts the national median at $45/hour, with a full province-by-province breakdown here.
Read → Aug 5, 2026Internationally-trained hygienists in Canada
Trained abroad and want to practise dental hygiene in Canada? Here are the real hurdles — equivalency, the NDHCE, and the CPEDH clinical exam — plus timelines and tips.
Read → Aug 5, 2026Dental hygiene regulators in Canada
Dental hygiene is self-regulated in Canada — each province has its own college. Here's the directory of regulators, what they do, and why it matters for your licence.
Read → Aug 5, 2026Hygienist vs assistant vs dentist
Dental hygienist, dental assistant and dentist are three different careers with different training, scope and pay. Here's how they compare — and how to become each.
Read → Aug 5, 2026The NDHCE and Quebec (OHDQ)
Quebec is the only province that doesn't use the NDHCE. Here's how licensing works through the OHDQ, the French-language requirement, and what it means if you move.
Read → Aug 5, 2026Renewal & continuing competency
A dental hygiene licence isn't one-and-done. Here's how annual renewal and continuing-competency requirements work in Canada, and how to keep your registration in good standing.
Read → Aug 5, 2026Clinical & oral health
The science behind the work — periodontics, radiography, prevention and more.
Periodontal staging & grading
The 2018 AAP/EFP periodontitis classification — staging I–IV and grading A–C — explained for the NDHCE, including the 'one feature shifts the stage' rule.
Read → Aug 5, 2026Periodontal disease explained
What periodontal disease is, how gingivitis becomes periodontitis, the warning signs, the risk factors that speed it up, and how dental hygienists treat it.
Read → Aug 5, 2026Scaling & root planing explained
What scaling and root planing is, how it differs from a routine cleaning, the instruments used, what to expect during and after, and its role in treating periodontitis.
Read → Aug 5, 2026Caries prevention: fluoride & sealants
How dental caries forms and how to prevent it — the demineralization balance, how fluoride works, dental sealants, silver diamine fluoride, and risk-based prevention.
Read → Aug 5, 2026Dental radiography & Safety Code 30
Dental radiography essentials for hygienists — exposure factors, image types, ALARA and radiation safety, plus Canada's Safety Code 30 that the NDHCE expects you to know.
Read → Aug 5, 2026Oral cancer screening
Oral cancer screening is a routine, life-saving part of dental hygiene care. Here are the risk factors, the warning signs, and how the head, neck and intraoral exam works.
Read → Aug 5, 2026Start with the essentials
New to the NDHCE? Begin with what the exam is, the format and blueprint, and how to prepare. Planning your finances? See the 2026 fees. Trained abroad? Read the international pathway.