10 Questions
What type of cutting instruments produce more pain if they are dull?
Hand cutting instruments
Why is the usage of coolant essential in high-speed cutting devices?
To prevent pulp damage
What can blunt rotary cutting instruments produce more of, leading to increased pain?
Friction
The temperature rise during cutting with rotary instruments can reach up to how many degrees celsius at the micro-contact area?
100°C
What lowers the pain threshold for the patient during dental procedures?
Vibration
What is the range of vibrations that most patients can tolerate?
150-200 cps
What effect is produced on the pulp by using an air jet alone?
Odontoblastic migration into dentinal tubules
What devices are mentioned as being absent of vibrations, considered advantageous due to this?
High speed devices
Which of the following is NOT mentioned as a procedure that produces an unpleasant sensation during tooth preparation?
Applying local anesthesia
Which type of disinfectants are contraindicated in deep cavities nowadays according to the text?
Strong disinfectants
Learn about the causes of operative pain in dentistry, focusing on the effects of hand cutting instruments and rotary cutting instruments. Understand how dull instruments, heat generation, and vibration can contribute to pain during dental procedures.
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