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Exam Review

Key Facts: Sweden Dental Hygienist Knowledge Test (Kunskapsprov för tandhygienister) Exam

2 parts

Theoretical test (several parts passed at one sitting) and practical patient cases

Socialstyrelsen

5 / 3

Maximum attempts: five for the theoretical test, three for the practical test

Socialstyrelsen

2 weeks

Latest registration by e-mail before the test

Socialstyrelsen

SEK 990

Socialstyrelsen application fee for review of the foreign education (step 1)

Socialstyrelsen

Kunskapsprov för tandhygienister is held by Socialstyrelsen itself: a theoretical test whose parts must all be passed at the same sitting, followed by a practical test of patient cases from everyday dental hygiene practice. Candidates have up to five theoretical and three practical attempts within five years. The test is in Swedish; this 100-question bank is an English-language MCQ study adaptation — not an official translation, format simulation, or substitute for writing/speaking/performance practice.

Sample Sweden Dental Hygienist Knowledge Test (Kunskapsprov för tandhygienister) Practice Questions

Try these sample questions to review concepts for the Sweden Dental Hygienist Knowledge Test (Kunskapsprov för tandhygienister) exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1A 45-year-old patient presents for a periodontal evaluation. Full-mouth periodontal probing reveals interdental clinical attachment loss (CAL) of 3 to 4 mm on teeth 16, 26, 36, and 46. Radiographs show horizontal bone loss extending between 15% and 33% of the root length. Probing pocket depths (fickdjup) do not exceed 5 mm, and no teeth have been lost due to periodontitis. According to the 2018 EFP/AAP International Classification of Periodontal Diseases, how should this condition be staged?
A.Periodontitis Stage I
B.Periodontitis Stage IV
C.Periodontitis Stage III
D.Periodontitis Stage II
Explanation: Periodontitis Stage II is defined by interdental clinical attachment loss (CAL) of 3 to 4 mm at the site of greatest loss, radiographic bone loss confined to the coronal third (15% to 33% of root length), and maximum probing pocket depths of 5 mm or less with horizontal bone loss and no tooth loss attributed to periodontitis. Stage I represents initial periodontitis with CAL of 1 to 2 mm and bone loss under 15%. Stages III and IV exhibit CAL of 5 mm or greater and deeper bone loss.
2A 28-year-old non-smoking systemically healthy patient presents with localized interdental CAL of 5 mm and radiographic bone loss of 40% on teeth 11 and 21. When calculating the indirect evidence of progression using the bone loss to age ratio (% bone loss divided by patient age), the calculated value is approximately 1.43. According to the 2018 classification, what grade of periodontitis does this represent?
A.Grade A (slow rate of progression)
B.Grade B (moderate rate of progression)
C.Grade C (rapid rate of progression)
D.Grade D (extremely rapid rate of progression)
Explanation: Periodontitis grading evaluates the rate of disease progression, responsiveness to therapy, and potential systemic health impacts. Indirect evidence of progression is calculated as the percentage of root length bone loss divided by the patient's age. A ratio greater than 1.0 (here 40 / 28 ≈ 1.43) defines Grade C (rapid rate of progression). Grade A is defined by a ratio <0.25, and Grade B is 0.25 to 1.0.
3A 22-year-old patient presents with generalized swollen, reddish marginal gingiva that bleeds readily upon gentle probing (BoP 42%). Pocket probing depths range between 3 mm and 4 mm in the anterior region. Radiographs reveal an intact lamina dura and a distance between the cementoenamel junction (CEJ) and alveolar bone crest of 1.5 mm throughout the dentition. No clinical attachment loss is detected. What is the definitive diagnosis?
A.Plaque-induced gingivitis on an intact periodontium
B.Non-plaque-induced gingival erythematous condition
C.Periodontitis Stage I, Grade A
D.Necrotizing ulcerative periodontitis
Explanation: Dental plaque-induced gingivitis on an intact periodontium is characterized by gingival inflammation (erythema, edema, BoP ≥10%) without clinical attachment loss or radiographic marginal bone destruction. The 3 to 4 mm pockets represent false pockets (pseudofickor) caused by coronal enlargement of the gingival margin, while the bone crest remains within normal physiological limits (1 to 2 mm apical to the CEJ).
4During a periodontal examination, a dental hygienist measures a probing pocket depth (PPD) of 3 mm on the buccal surface of tooth 23. Concurrently, the gingival margin has receded 3 mm apical to the cementoenamel junction (CEJ). What is the true clinical attachment level (CAL / fästenivå) at this site?
A.0 mm
B.3 mm
C.6 mm
D.9 mm
Explanation: Clinical attachment level (CAL) measures the distance from the cementoenamel junction (CEJ) to the base of the periodontal pocket. When gingival recession is present, CAL is calculated by adding the probing pocket depth (PPD) to the extent of recession (CAL = PPD + Recession). In this case, 3 mm PPD + 3 mm recession = 6 mm of clinical attachment loss.
5A dental hygienist is performing subgingival scaling (depuration) on the molar teeth of the maxilla. Which specific Gracey curette pairing is designed specifically for instrumentation of the mesial surfaces and distal surfaces of posterior teeth, respectively?
A.Gracey 1/2 for mesial surfaces and Gracey 3/4 for distal surfaces
B.Gracey 7/8 for mesial surfaces and Gracey 9/10 for distal surfaces
C.Gracey 11/12 for mesial surfaces and Gracey 13/14 for distal surfaces
D.Gracey 13/14 for mesial surfaces and Gracey 11/12 for distal surfaces
Explanation: Gracey curettes are area-specific instruments designed with a blade angled at 70 degrees to the terminal shank. Gracey 11/12 (along with 15/16) is specifically designed to instrument the mesial surfaces of posterior teeth, while Gracey 13/14 (along with 17/18) is designed to instrument the distal surfaces of posterior teeth.
6What is the recommended working blade-to-root surface angulation when activating a Gracey curette during subgingival scaling and root debridement (depuration)?
A.0 to 10 degrees (closed)
B.20 to 40 degrees (half-open)
C.60 to 80 degrees (about 70°)
D.95 to 115 degrees (fully open)
Explanation: During insertion subgingivally, the curette blade is held nearly closed (0 to 10 degrees). Once the base of the pocket is reached, the working angulation is established between 60 and 80 degrees (ideally 70 degrees) relative to the root surface. This allows the lower cutting edge to effectively shave and plane calculus deposits without burnishing calculus or lacerating adjacent soft tissue.
7When utilizing an ultrasonic scaler during non-surgical periodontal debridement, what biological mechanism contributes significantly to the disruption of microbial cell membranes and removal of loosely adherent subgingival biofilm beyond mechanical tip vibration?
A.Acoustic microstreaming and cavitation in the coolant water
B.Electrochemical oxidation of peptidoglycan chains
C.Thermal coagulation of bacterial lipopolysaccharides
D.Ultraviolet radiation emitted from high-frequency crystal resonance
Explanation: In addition to mechanical chipping by the vibrating tip, ultrasonic scalers utilize acoustic microstreaming (forceful liquid flow around the oscillating tip) and cavitation (the rapid collapse of microscopic gas bubbles in the fluid lavage). These hydrodynamic phenomena generate intense shear forces that disrupt bacterial cell walls, lyse bacterial membranes, and wash away toxins and endotoxins from the subgingival microenvironment.
8How do magnetostrictive and piezoelectric ultrasonic scalers differ regarding their tip oscillation patterns and active working surfaces?
A.Magnetostrictive: linear, lateral surfaces only; piezoelectric: circular 360° motion
B.Magnetostrictive: no water needed; piezoelectric: hypertonic saline only
C.Magnetostrictive: 45–60 kHz vertical stroke; piezoelectric: 10 kHz rotary stroke
D.Magnetostrictive: elliptical, all sides active; piezo: linear, lateral sides
Explanation: Magnetostrictive scalers utilize metal stacks or ferrites that expand and contract in a magnetic field, resulting in an elliptical or figure-eight tip motion where all surfaces (point, concave face, convex back, and lateral sides) are active. In contrast, piezoelectric scalers utilize ceramic crystals to produce a strictly linear, back-and-forth movement, meaning the lateral surfaces of the tip are the primary active working surfaces adapted to the tooth.
9According to contemporary periodontal consensus (for example the EFP S3 treatment guideline), what is the primary clinical goal of non-surgical subgingival debridement (depuration)?
A.Remove all cementum until a glassy, hard dentin surface remains
B.Remove subgingival calculus and biofilm while preserving healthy cementum
C.Sterilize the pocket with systemic antibiotics without instrumentation
D.Curette away the pocket lining to promote bone regeneration
Explanation: Modern non-surgical periodontal therapy emphasizes root surface debridement rather than aggressive root planing. Bacterial endotoxins (lipopolysaccharides) are superficially associated with the root surface rather than deeply embedded in healthy cementum. Therefore, the clinical endpoint is to remove subgingival biofilm and calculus to obtain a smooth, biocompatible surface that allows periodontal healing while conserving as much healthy cementum as possible.
10When examining a mandibular first molar (tooth 46) with a curved Nabers probe, the dental hygienist detects horizontal penetration into the buccal furcation exceeding 3 mm, but the probe does not penetrate through to the lingual aspect. According to the Hamp et al. (1975) furcation classification, how is this recorded?
A.Furcation involvement Degree 0
B.Furcation involvement Degree I
C.Furcation involvement Degree II
D.Furcation involvement Degree III
Explanation: According to the widely used Hamp et al. classification of furcation involvement: Degree I is horizontal loss of periodontal support not exceeding 3 mm (<3 mm penetration); Degree II is horizontal loss exceeding 3 mm (>3 mm penetration) but not encompassing the entire width of the furcation; and Degree III is 'through-and-through' horizontal destruction where the probe passes completely through the furcation.

About the Sweden Dental Hygienist Knowledge Test (Kunskapsprov för tandhygienister) Exam

Kunskapsprov för tandhygienister is Socialstyrelsen's knowledge test for dental hygienists educated outside the EU/EEA who want a Swedish licence. Socialstyrelsen holds the test itself: a theoretical test in several parts and a practical test based on patient cases, in Swedish. This page offers independent English-language practice for the knowledge areas the test covers.

Exam sponsor: Socialstyrelsen (National Board of Health and Welfare). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

Theoretical test (at Socialstyrelsen): several parts (delmoment), each passed at the same sitting. Practical test: patient cases reflecting everyday dental hygiene practice, taken after the theoretical test is passed.

Time Limit

Not published

Passing Score

All theoretical parts passed at the same sitting; practical test passed against set criteria

Exam / Certification Fees

No examination fee published (SEK 990 Socialstyrelsen application fee for the earlier education review)

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

30 practice questions

Periodontology

Classification, instrumentation, peri-implant conditions and supportive care.

25 practice questions

Cariology and preventive dentistry

Caries risk and activity, fluorides, saliva, diet and non-operative care.

20 practice questions

Clinical examination and care planning

Indices, treatment phases, behaviour change and oral hygiene aids.

15 practice questions

Odontological radiology

Technique, radiation protection and interpretation.

10 practice questions

Pharmacology, hygiene and legislation

Anaesthetics, antiseptics, infection control and Swedish dental care rules.

Preparing for the Sweden Dental Hygienist Knowledge Test (Kunskapsprov för tandhygienister) Exam

What You Need to Know

  • Passing score: All theoretical parts passed at the same sitting; practical test passed against set criteria
  • Assessment: Theoretical test (at Socialstyrelsen): several parts (delmoment), each passed at the same sitting. Practical test: patient cases reflecting everyday dental hygiene practice, taken after the theoretical test is passed.
  • Time limit: Not published
  • Exam / certification fees: No examination fee published (SEK 990 Socialstyrelsen application fee for the earlier education review) Official sources

Using Our Practice Resources

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

Sweden Dental Hygienist Knowledge Test (Kunskapsprov för tandhygienister): Suggested Study Strategy

1Review the 2018 periodontal classification thoroughly, including staging, grading and peri-implant diagnoses.
2Learn Swedish clinical terms used in everyday practice, such as depuration, fickdjup, stödbehandling and riskbedömning.
3Practise care planning from patient cases: examination findings, risk assessment, treatment phases and follow-up.
4Know the Swedish framework for dental care: Tandvårdslagen, the state dental care subsidy, basic hygiene (SOSFS 2015:10) and radiation protection rules.
5Rehearse patient communication with motivational interviewing, since the practical cases reflect everyday clinical work.

Frequently Asked Questions

How is the knowledge test structured?

Socialstyrelsen holds the test at its own premises. The theoretical test consists of several parts, and each part must be passed at the same sitting. After passing it, you take a practical test made up of patient cases that reflect a dental hygienist's everyday clinical work.

How do I register?

You register by e-mail to Socialstyrelsen at least two weeks before the test, giving your case number, personal identity number, name and address. You must first have had your education reviewed and received a decision to take the knowledge test.

How many attempts do I get?

Five attempts at the theoretical test and three at the practical test, and the whole test must be passed within five years of your first sitting. If you use all attempts without passing, you need to choose another route to a licence, such as a complementary education programme.

Is there a preparatory course?

In some situations a preparatory course may be available; Socialstyrelsen advises contacting a university or Arbetsförmedlingen for information.

Is the test available in English?

No. The test is in Swedish. This bank is an English-language multiple-choice study adaptation: it helps you review the knowledge areas but is not an official translation, and it cannot simulate the theoretical answers or the practical patient cases.