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 (B)</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 (C)</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 (A)</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 (D)</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 (D)</p> Signup and view all the answers

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

<p>Hyperesthesia or dysesthesia (C)</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 (B)</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 (A)</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 (D)</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 (C)</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 (A)</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 (D)</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 (B)</p> Signup and view all the answers

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