Question 1
A 47-year-old patient who smokes 25 cigarettes a day has generalized 5 to 6 mm pockets and radiographic bone loss, yet very little gingival bleeding on probing. What best explains the low bleeding?
Prepare for the dental hygiene boards one area at a time.
Find your weakest area in a free 15-question diagnostic, learn every area with patient cases, then sit a full 350-question practice exam in two timed sessions.
The only interactive course with a tutor that finds your weak spots and fixes them.
One payment in US dollars. Full refund within 14 days, for any reason.
Find your weakest area in 17 minutes
15 questions across every area of the exam, a short patient case included, no account. You get your score in each area, a short lesson on the one to fix first and a study plan.
Two sessions, 350 questions
Pass or fail, from a scale score where 75 is the minimum pass. Weighted here to the test specifications in effect from November 1, 2026.
Session One: discipline-based
Scientific basis 56 (anatomy, physiology, pathology, pharmacology), clinical services 124 (assessment, radiography, care planning, periodontics, prevention, materials, ethics) and research and community health 20.
200 questions, 3 hours 30 minutes
Session Two: patient cases
12 to 15 patient cases, each a patient box with history, medications, charts and findings, then about 10 questions on that patient.
150 questions, 4 hours
Try four questions
Question 2
A hygienist raises the kilovoltage peak from 60 to 70 kVp and changes nothing else. What is the main effect on the x-ray beam and the image?
Question 3
A 46-year-old patient at elevated caries risk has porcelain crowns and several composite restorations. Which in-office fluoride is most appropriate?
Question 4
A 19-year-old patient has an acute abscess on the labial gingiva between #24 and #25. Which lymph nodes are most likely to be the first to become enlarged and tender?
In the course
- 30 interactive lessons
- 303 practice questions, 72 of them on 8 patient cases
- 1 full practice exam: both sessions, 350 questions on the real clocks
Guides and free tools
Dental Hygiene Board Genius Pro
US$59one payment
- 30 interactive lessons
- 303 practice questions
- 1 full 350-question practice exam
Full refund within 14 days. Ask within 14 days of paying, for any reason. Our refund promise still applies after you start the course. The note under the pay button is about the separate legal right to cancel. Terms
By paying you agree to our Terms. Email us within 14 days for a full refund.
Take the free diagnostic firstApple Pay, Google Pay or card. Charged in USD.
One payment. No sales tax is added. Access until October 31, 2027.
Questions? support@unigenius.co.uk