Mandibular injection technique for local anesthesia l Oral and maxillofacial surgery MCQs for dental students
MCQ on mandibular injection techniques for local anesthesia
Inferior alveolar nerve block is absolutely contraindicated in patients suffering from one of the following disease
a)
Thrombocytopenia
b)
Hemophilia
c)
Hypoprothrombinemia
d)
Von willebrand’s disease
Nerve block which is given in case of severe trismus for achieving anesthesia of inferior alveola nerve, long buccal nerve, lingual nerve, & masseteric nerve is
a)
Gow-Gates technique
b)
Akinosis technique
c)
V2 block
d)
Conventional inferior alveolar nerve block
Tuberosity technique is other name of which technique
a)
Vazarani-Akinosis closed mouth technique
b)
Gow-Gates
c)
IANB
d)
GP
In the extraoral technique for mandibular nerve block the needle after contacting the pterygoid plate is directed
a)
anteriorly
b)
posteriorly
c)
superiorly
d)
inferiorly
One wants to anesthetise the inferior alveolar nerve at the point at which it exists from the mandibular canal, so the injection site most often located in
a)
between first and second molars inferior to the root apices
b)
between first and second molar superior to root apices
c) between first and second premolars inferior to root apices
d)
between first and second premolars superior to root apices
The following anatomical land marks are useful in the closed block except
a)
Occlusal plane of occluding teeth
b)
Anterior border of ramus
c)
Mucogingival junction of the mandibular teeth
d) A
& B
During the administration of an inferior alveolar nerve block which of the following muscles is usually penetrated with the needle
a)
Buccinator
b)
Medial pterygoid
c) Lateral pterygoid
d) Masseter
Inferior alveolar nerve block anaesthetizes all (except):
A. Body of mandible lower part
B. Mandibular teeth
C. Mucous membrane anterior of first mandibular molar
D. Mucous membrane distal to 1st mandibular molar
The needle while giving inferior alveolar nerve block passes through:
A. Buccinator muscle
B. Pterygomandibular raphe
C. Buccal fat
D. Stylomandibular raphe
While giving inferior alveolar nerve block the needle is lateral to:
A. Lingual nerve
B. Sphenomandibular ligament
C. Medial pterygoid muscle
D. All of the above
If bone is not contacted before injecting local anesthetic in inferior alveolar nerve block, there are chances of:
A. Lingual nerve anesthesia
B. Transient facial palsy
C. Transient maxillary anesthesia
D. None of the above
Inferior alveolar nerve block at times is not very effective because which of the nerves is no anaesthetized:
A. Mental nerve
B. Lingual nerve
C. Mylohyoid nerve
D. Incisal nerve
Gow Gates technique is for:
A. Mandibular nerve block
B. Inferior alveolar nerve block
C Trigeminal ganglion block
D. V2, V3 block
The target of Gow Gates technique is:
A. Coronoid notch
B. Sigmoid notch
C Foramen ovale
D. Neck of condyle
In patients with reduced mouth opening which technique of mandibular anesthesia should be used:
A. Gow gates
B. Akinosis
C. Labyrinths
D. Williams
For extraoral mandibular nerve block the needle should be inserted from:
A. Above the zygomatic arch
B. Below the zygomatic arch
C. Coronoid notch
D. None of the above
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