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Local Anaesthesia > Mandibular Anaesthesia > Flashcards

Mandibular Anaesthesia Flashcards

1
Q

what are the LA techniques used

A

topical
infiltration
regional block
supplementary

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2
Q

what re the supplementary techniques

A

intraligamentary
intraosseus
intrapapillary
intra poket

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3
Q

what are the main branches Vc

A 
lingual 
long buccal
IAN
mental
incisive
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4
Q

what innervates the lower dental arch

A

IAN posterior teeth

incisive anterior

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5
Q

what are the nerves innervating surrounding tissues of lower dental arch

A

lingual nerve
long buccal
mental nerve

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6
Q

how long is short needle

A

25mm

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7
Q

how long is a long needle

A

35mm

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8
Q

block IAN =

A

lower teeth LA

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9
Q

block Lingual =

A

lingual soft tissue

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10
Q

block long buccal =

A

buccal tissues in post segments

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11
Q

block mental =

A

labial soft tissues

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12
Q

block incisive =

A

lower incisors but note cross over

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13
Q

what is IAN block aka

A

halstead approach

dircettechnique

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14
Q

where does IAN go

A

mandibular foramen in medial aspect of mandible

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15
Q

where does pterygomandibualr rathe run

A

from mylohyoid line mandible to pterygoid hamulus just medial to maxilla tuberosity

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16
Q

where aim LA for IAN block

A

close to IAN

before enter mandible

17
Q

what are the borders of pterygoamanidublar space

A 
lat - ramus
med- medial petty muscle 
post - parotid 
ant - buccinator
sup - lat ptery muscle
18
Q

what is an appropriate LA for IAN block and lingual

A

lidocaine nor articaine

19
Q

what is procedure of LA IANB

A 
mouth wide open 
identify ptery raphe
thumb coronoid notch 
inject needle touch bone 2.5cm
withdraw need 1-2mm aspirate
20
Q

why aspirate

A

reduces risk of inject into blood vessel

21
Q

how much is injected of LA

A

1.5-2ml (1ml per min)

22
Q

how do u know the LA has worked

A

numb lower lip

slight mental nerve

23
Q

how long wait to see num

A

5 mins

24
Q

how do u know lingual block is successful

A

tongue on that side is numb (ipsilateral)

25
Q

when anaesthetise mental nerve what is affected

A

labial mucosa gingiva

but not teeth

26
Q

what is anatsetices when do incisive nerve

A

teeth 1st premolar to contralateral incisors

27
Q

when anesteiting lower incisors what is considered

A

bone thinner

crossover

28
Q

when doing molar infiltration what to be cautious of

A

intravascular injection
parastheia
nerve trunk damage

29
Q

what is more successful to use on lower molars by infiltration

A

articaine

Local Anaesthesia (4 decks)

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