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Local Anesthesia > Module 3 > Flashcards

Module 3 Flashcards

1
Q

_______% of dental emergencies occur during or 5 min after LA administration?

A

54.9

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2
Q

What is the most common dental emergency due to LA administration?

A

syncope

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3
Q

LA administration emergencies are caused by ______ not ______?

A

stress

the drug

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4
Q

What are the 3 critical phases of dental injections?

A

Penetration Site
Deposition Site
Aspiration

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5
Q

What are the 3 critical errors during dental injections? WREB

A

outdated anesthetic/anesthetic with epi
Use of a Manual aspirating syringe
Letting needle touch extra/intraoral surface prior to insertion

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6
Q

What are the 3 Primary Injections

A

Local infiltration
Field Block
Nerve Block

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7
Q

Local infiltration injections are most effective on what arch?

A

MX

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8
Q

Local Infiltration injections deal with a “________” of anesthetic into a ______ area?

A

flooding

small

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9
Q

A Field Block Injection deposits anesthetic near a _______?

A

large terminal nerve branch

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10
Q

Field Blocks are also called?

A

infiltration/supraperiosteal

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11
Q

A Field Block involves numbing the _____ in and around how many teeth?

A

tissues

1-2

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12
Q

What is the insertion point for a Field Block?

A

height of mucobuccal fold

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13
Q

Where do you deposit anesthetic in a Nerve Block Injection?

A

Main Nerve Trunk

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14
Q

What is an example of a Nerve Block Injection?

A

PSA

IA

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15
Q

Insertion for a MSA injection is between ______ at the height of the _______ with the bevel towards _____?

A

MX premolars (apical to 2nd)
mucobuccal fold
bone

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16
Q

What structures are anesthetized by a MSA injection?

A

1st and 2nd premolar pulp chambers
Mesiobuccal Root of MX 1st molar
Buccal tissue/bone of these structures

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17
Q

Insertion for a PSA injection is at the height of the _______ apical to the ______ ______

A

mucobuccal fold

MX 2nd molar

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18
Q

What depth does the needle insert on a PSA injection?

A

16mm

1/2 of long , 3/4 of a short

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19
Q

What structure could cause a positive aspiration when performing a PSA injection?

A

pterygopalantine plexus

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20
Q

All Maxillary injections require a ______ needle?

21
Q

What structures are anesthetized during a PSA injection?

A

1st, 2nd, 3rd, molar pulps, buccal periodontum and bone.

22
Q

What structure is sometimes missed when doing a PSA injection? How often?

A

Mesiobuccal root of the MX 1st molar

28%

23
Q

Insertion for a ASA injection is at the height of the ______ apical to ______ teeth?

A 
mucobuccal fold
1st premolar (anywhere from second premolar to the central incisor is ok)
24
Q

What is the deposition site for an ASA injection?

A

Infraorbital foramen

25
What structures are anesthetized during an ASA injection?
Pulps, buccal periodontum and bone of MX centrals through canine Lower eyelid, upper lip, lateral border of nose
26
What structure is sometimes affected when administering an ASA injection? How often?
Premolars and MB root of 1st molar | 72%
27
What is the insertion point for a Greater Palatine Nerve Block?
Anterior to the greater palatine foramen
28
What are 2 landmarks for the Greater Palatine Nerve Block injection?
Greater Palatine Foramen | Junction between MX alveolar process and the palatine bone
29
What structures are anesthetized by the Greater Palatine Nerve Block?
Posterior portion of the hard palate | and soft tissues UP TO the 1st premolar and over to the midline of the palate
30
Where is the insertion point for the Nasopalatine Nerve Block?
lateral to the incisive papilla
31
What is the deposition site for a Nasopalatine Nerve Block?
Incisive Foramen
32
What structures are anesthetized by the Nasopalatine Nerve Block?
Anterior portion of the hard palate BILATERALLY | from the MESIAL of the 1st premolars to the midline
33
Palatal INFILTRATIONS affect _____ ______ in the immediate vicinity?
soft tissue
34
Where is the target/insertion point for palatal infiltration injections?
5-10 mm away from free gingival tissues
35
How much LA do you give for a supraperiosteal injection
1/3 cartridge (0.6mL)
36
Avg tissue depth for PSA
16mm
37
Hemophiliac a should not receive what MX injection
PSA
38
Avg amount of LA given on PSA
0.9-1.8mL
39
Avg amount of LA used in MSA?
0.9-1.2mL
40
Avg depth for a ASA
16mm (1/2 long needle)
41
Avg amount of LA used in ASA?
0.9-1.2mL
42
Avg depth for greater palatine
5mm
43
Avg amount of LA used in Greater Palatine
0.45-0.6mL | 1/4-1/3 cart
44
Avg amount of LA used in Nasopalatine
0.45mL | 1/4 cart
45
Avg amount of LA used in Palatal infiltrations
0.2-0.3mL | Stopper width
46
Avg amount of LA used in AMSA?
1. 4-1.8mL | 0. 5mL per min
47
Avg amount of LA used in Palatal-ASA?
1. 4-1.8mL | 0. 5mL per min
48
How far do you penetrate tissue in a Palatal-ASA?
6-10mm into incisive canal

Local Anesthesia (7 decks)

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