Veterinary Technician

Category - Dentistry

The rotational speed on a prophy handpiece is .
  1. 4000 rpm
  2. 6000 rpm
  3. 8000 rpm
  4. 10,000 rpm
Explanation
Answer: A - Prophy handpieces should have a rotational speed of 4000 rpm or less. This is to prevent the overheating of the tooth and potential tooth loss. Each tooth should be polished for no more than 5 seconds before moving on to the next one.
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