Causes of Operative Pain in Dentistry
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Questions and Answers

What type of cutting instruments produce more pain if they are dull?

  • Laser cutting instruments
  • Rotary cutting instruments
  • Hand cutting instruments (correct)
  • Serrated cutting instruments

Why is the usage of coolant essential in high-speed cutting devices?

  • To reduce vibration
  • To prevent pulp damage (correct)
  • To eliminate pain completely
  • To decrease the rotational speed of the instruments

What can blunt rotary cutting instruments produce more of, leading to increased pain?

  • Coolant
  • Vibration
  • Dentinal tubules
  • Friction (correct)

The temperature rise during cutting with rotary instruments can reach up to how many degrees celsius at the micro-contact area?

<p>100°C (D)</p> Signup and view all the answers

What lowers the pain threshold for the patient during dental procedures?

<p>Vibration (C)</p> Signup and view all the answers

What is the range of vibrations that most patients can tolerate?

<p>150-200 cps (B)</p> Signup and view all the answers

What effect is produced on the pulp by using an air jet alone?

<p>Odontoblastic migration into dentinal tubules (A)</p> Signup and view all the answers

What devices are mentioned as being absent of vibrations, considered advantageous due to this?

<p>High speed devices (B)</p> Signup and view all the answers

Which of the following is NOT mentioned as a procedure that produces an unpleasant sensation during tooth preparation?

<p>Applying local anesthesia (C)</p> Signup and view all the answers

Which type of disinfectants are contraindicated in deep cavities nowadays according to the text?

<p>Strong disinfectants (D)</p> Signup and view all the answers

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