University of Jordan Dentistry 019 Local Anesthesia Complications & Contraindications Sheet 12 Quiz
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Questions and Answers

What is a common cause of needle breakage during local anesthesia?

  • Using the needle for a long time
  • Using a blunt needle
  • Applying too much pressure while injecting
  • Bending the needle (correct)

    • What is the recommended action if a needle is bent?

  • Dispose of it immediately
  • Refer the patient to a surgeon (correct)
  • Use it only for short procedures
  • Continue using it carefully

    • How many instances of needle breakage have been recorded over the past 30 years?

  • 1 instance
  • 30 instances
  • 33 instances
  • 34 instances (correct)

    • What is the consequence of using a blunt needle for local anesthesia?

    <p>Increased apprehension for the patient</p> Signup and view all the answers

    What gauge of needles is associated with a higher degree of breakage?

    <p>30-gauge short needles</p> Signup and view all the answers

    Why is it preferred not to bend the needle for local anesthesia?

    <p>To prevent breakage and complications</p> Signup and view all the answers

    What is the recommended prevention measure to avoid needle breakage at the hub?

    <p>Using long needles for injections requiring shallow tissue penetration</p> Signup and view all the answers

    What is one of the main clinical responses associated with paresthesia?

    <p>Tongue biting</p> Signup and view all the answers

    What is one of the common causes of persistent anesthesia or paresthesia?

    <p>Injection of LA contaminated by alcohol</p> Signup and view all the answers

    What is one of the main problems associated with facial nerve paralysis?

    <p>Inability to close the affected eye</p> Signup and view all the answers

    How should a visible fragment of a broken needle be managed?

    <p>Use longer needles for injections</p> Signup and view all the answers

    What is one of the causes of numbness, swelling, tingling, and altered sensation in patients?

    <p>Direct trauma to the nerve</p> Signup and view all the answers

    What is one of the recommendations to prevent facial nerve paralysis?

    <p>Use longer needles for deeper injections</p> Signup and view all the answers

    What is one of the causes of hyperesthesia or dysesthesia?

    <p>Injection of LA contaminated by alcohol or sterilizing solution</p> Signup and view all the answers

    What is one of the prevention measures to avoid needle breakage at the hub?

    <p>Using larger-gauge needles for shallow tissue penetration</p> Signup and view all the answers

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