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1. What two sources of electricity are used for power toothbrushes?
just battery
mains & battery
shaver sockets only
2. Advanced circuitry allows for: longer battery life
a better clean
different bristle motions and brush speed

3. Which of the following are reasons patients may prefer a power toothbrusheasier to use, has a timer, better plaque removal
the bristles last longer and are better than a manual toothbrush
are more comfortable in the mouth

4. Why are dental professionals recommending power toothbrushes?clinical studies and patient preference
they prefer to stock them at the practice
they think they provide a better cleaning technique than manual brushes

5. Power toothbrushes have been shown to reduce which clinical parameters better than a manual toothbrush? removal of interdental plaque
supragingival plaque biofilm and gingival inflammation
subgingival plaque

6. How many hours does it take for undisturbed plaque biofilm to cause gingival changes?48 hours
24 hours
12 hours

7. On average, how much overall plaque biofilm is removed with each brushing?90%
45%
60%

8.What positive changes may be seen in patients who switch to a power toothbrush and like using it? increased brushing time and efficacy, less pressure
a noticeable whitening of the teeth
they use the brush more regularly

9. What additional interdental device could a patient use to help remove interproximal plaque?interdental brushes
floss
both of the above

10. Who conducted a study on the comparison of a sonic and manual toothbrush for efficacy in supragingival plaque removal and reduction in gingivitis?Sharma, Lyle , Qaqish and Galustians
Tritten and Armitage
Loe H