15 Questions
What is a common cause of needle breakage during local anesthesia?
Bending the needle
What is the recommended action if a needle is bent?
Refer the patient to a surgeon
How many instances of needle breakage have been recorded over the past 30 years?
34 instances
What is the consequence of using a blunt needle for local anesthesia?
Increased apprehension for the patient
What gauge of needles is associated with a higher degree of breakage?
30-gauge short needles
Why is it preferred not to bend the needle for local anesthesia?
To prevent breakage and complications
What is the recommended prevention measure to avoid needle breakage at the hub?
Using long needles for injections requiring shallow tissue penetration
What is one of the main clinical responses associated with paresthesia?
Tongue biting
What is one of the common causes of persistent anesthesia or paresthesia?
Injection of LA contaminated by alcohol
What is one of the main problems associated with facial nerve paralysis?
Inability to close the affected eye
How should a visible fragment of a broken needle be managed?
Use longer needles for injections
What is one of the causes of numbness, swelling, tingling, and altered sensation in patients?
Direct trauma to the nerve
What is one of the recommendations to prevent facial nerve paralysis?
Use longer needles for deeper injections
What is one of the causes of hyperesthesia or dysesthesia?
Injection of LA contaminated by alcohol or sterilizing solution
What is one of the prevention measures to avoid needle breakage at the hub?
Using larger-gauge needles for shallow tissue penetration
Test your knowledge on the complications and contraindications of local anesthesia in dentistry based on Sheet 12 of University of Jordan Dentistry 019. Written by: Sarah Almohtasib, Corrected by: Eman Shahin, Doctor: Ahmed Hamdan. This quiz covers topics such as needle breakage and local/systemic complications.
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