Dentistry

AFK practice: Prevention, infection control and ethics

15 questions · by oneguy

Practice quiz Flashcards

Questions

  1. 1.
    A new caries-detection device is tested on 100 lesions with histologically confirmed caries and 100 sound surfaces. It is positive on 80 of the carious…
  2. 2.
    In a 2-year trial, new occlusal caries developed in 30% of control children and 20% of children who received sealants. What is the number needed to treat…
  3. 3.
    Which type of evidence is generally placed highest in the hierarchy for questions about the effectiveness of a treatment?
  4. 4.
    Investigators want to measure the incidence of root caries in older adults and see how it relates to xerostomia that is present at the start of the study…
  5. 5.
    According to Health Canada, what is the optimal fluoride concentration in drinking water for communities that choose to fluoridate?
  6. 6.
    What is the fluoride concentration of a 5% sodium fluoride varnish?
  7. 7.
    For wrapped instruments in a gravity-displacement steam sterilizer at 121 °C (250 °F), what is the minimum exposure time recommended by the CDC?
  8. 8.
    Under the Spaulding classification, how is a periodontal scaler used for subgingival debridement classified?
  9. 9.
    What is the CDC's maximum recommended level of heterotrophic bacteria in dental unit water used for nonsurgical procedures?
  10. 10.
    A dental assistant completed a 3-dose hepatitis B vaccine series. One month later, her anti-HBs level is 85 mIU/mL. What is the most appropriate next step?
  11. 11.
    A hygienist gets a puncture wound from a used scaler during treatment. What is the most appropriate immediate first-aid step?
  12. 12.
    When obtaining informed consent in Canada, what standard decides which risks a dentist must disclose?
  13. 13.
    During a recall exam, a dentist sees bruises of different ages on a 6-year-old's face and neck, along with a fractured incisor, and the parent's explanation…
  14. 14.
    A dentist notices that last week's clinical note records the wrong tooth number. What is the most appropriate way to correct the record?
  15. 15.
    A dentist wants to end the professional relationship with a patient who repeatedly behaves abusively toward staff. The patient has no treatment in progress…