University of Jordan Dentistry 019 Local Anesthesia Complications & Contraindications
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University of Jordan Dentistry 019 Local Anesthesia Complications & Contraindications

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Questions and Answers

What is a possible complication of local anesthesia related to needle breakage?

  • The needle becoming blunt and causing more pain to the patient
  • The needle getting stuck in the patient's mouth and requiring surgical removal (correct)
  • The needle becoming too flexible and difficult to handle
  • The needle causing allergic reactions in the patient

    • What is the recommended practice to prevent needle breakage during local anesthesia?

  • Bending the needle slightly to make it more flexible
  • Using the same needle for a long time to reduce waste
  • Being careful about the characteristics of the needle and not using it for long periods of time (correct)
  • Using 30-gauge short needles for all procedures

    • Which type of block is most commonly associated with instances of needle breakage?

  • ID block (correct)
  • Inferior alveolar nerve block
  • Posterior superior alveolar nerve block
  • Mental nerve block

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

    <p>To prevent instances of needle breakage</p> Signup and view all the answers

    What gauge of needles is associated with a slightly higher degree of breakage in local anesthesia procedures?

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

    Why is it important not to use the same needle for a long time during local anesthesia procedures?

    <p>To prevent the needle from becoming blunt, painful, and prone to breakage</p> Signup and view all the answers

    What is the main cause of needle breakage according to the text?

    <p>Re-directing the needle once it is inserted into tissues</p> Signup and view all the answers

    How can needle breakage be prevented according to the text?

    <p>Using long needles for injections requiring penetration of significant depths of soft tissues</p> Signup and view all the answers

    What is the clinical response associated with paresthesia as per the text?

    <p>Hyperesthesia or dysesthesia</p> Signup and view all the answers

    What can cause facial nerve paralysis according to the text?

    <p>Introduction of LA into the capsule of parotid gland</p> Signup and view all the answers

    What is NOT a recommended management strategy for visible needle fragments according to the text?

    <p>Trying to remove the fragment on your own</p> Signup and view all the answers

    Which type of anesthesia is one of the most frequent causes of dental malpractice litigation?

    <p>Local anesthesia</p> Signup and view all the answers

    What is the main problem associated with facial nerve paralysis mentioned in the text?

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

    How long do most cases of paresthesia take to resolve without treatment according to the text?

    <p>$6-8$ weeks</p> Signup and view all the answers

    What is NOT a cause of persistent anesthesia or paresthesia according to the text?

    <p>Injection of LA into dental pulp</p> Signup and view all the answers

    What should be done if non-visible fragment of needle is present according to the text?

    <p>Referring to a competent surgeon</p> Signup and view all the answers

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