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Pharmacology Units 1-10 > Local Anesthesia Techniques > Flashcards

Local Anesthesia Techniques Flashcards

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1
Q

What is the target of the inferior alveolar NB?

A

2mm superior to the md. foramen; midway between anterior and posterior border of ramus

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2
Q

What is the insertion point of the inferior alveolar NB

A

10mm above occlusal plain; 2mm lateral to pterygo md. raphe

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3
Q

What is the angle/landmarks of the inferior alveolar NB

A

parallel to occlusal plane; over contra-lateral premolars

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4
Q

What tissue is anesthetized with the inferior alveolar NB?

A

all teeth, buccal and lingual gingiva in quad except buccal to molars

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5
Q

What is the depth of the inferior alveolar NB?

A

2/3-3/4 needle length; contact bone

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6
Q

What is the length of needle used in the inferior alveolar NB?

A

long

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7
Q

What is the volume of anesthetic injected in the inferior alveolar NB?

A

2/3 at target; 1/4 half out

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8
Q

What are some comments about the inferior alveolar NB?

A

sit patient up afterwards; redirecting is common (rt side sit at 8oclock)

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9
Q

What is the target of the buccal NB?

A

buccal nerve; above periosteum, in connective tissue

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10
Q

What is the insertion point of the buccal NB?

A

buccal mucosa adjacent to DB cusp of last md. molar

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11
Q

What is the angle/landmarks of the buccal NB?

A

either low angle to slide under tissue or steep angle if tissue pulled up

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12
Q

What tissue is anesthetized with buccal NB?

A

buccal gingiva of molars

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13
Q

What is the depth of the buccal NB?

A

2mm; +/- contact bone

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14
Q

What length of needle is used in the buccal NB?

A

long

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15
Q

How much anesthetic is injected with buccal NB?

A

1/8 carpule

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16
Q

What are some comments regarding the buccal NB?

A

awkward to slide under the mucosa

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17
Q

What is the target of the infiltration technique?

A

periosteum over tooth apex

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18
Q

What is the insertion point of the infiltration tech?

A

height (or depth) of the buccal vestibule

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19
Q

What is the angle/landmarks of the infiltration tech?

A

parallel to long axis of tooth

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20
Q

What tissue is being anesthetized with infiltration?

A

target tooth and buccal gingiva; may anesthetize adjacent teeth

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21
Q

What is the depth of the infiltration tech?

A

approximately 3mm

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22
Q

What length of needle is used with infiltration

A

small

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23
Q

How much anesthetic is injected with the infiltration?

A

1/2 carpule

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24
Q

What are some comments about the infiltration tech?

A

not suitable for 1st max molar or md teeth (except incisors)

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25
What is the target of the nasopalatine nb?
nasopalatine foramen (incisive foramen)
26
What is the insertion point of the nasopalatine nb?
at the base of the incisive papilla from either side
27
What is the angle/landmarks of the nasopalatine nb?
45 degrees to the long axis of the central incisors; in the plane of incisor inclination
28
What tissue is anesthetized with the nasopalatine nb?
lingual gingiva of all max incisors and cuspids
29
What is the depth of the nasopalatine nb?
until boney contact
30
What size of needle is used for the nasopalatine nb?
short
31
How much anesthetic is used for the nasopalatine nb?
1/8 of a carpule or until blanches just shy of a nickel size
32
What are some comments about the nasopalatine nb?
brace with opposing hand; bevel toward tissue; give at side toward you
33
What makes the nasopalatine nb different from any other injection?
it crosses the midline
34
What is the target of the Gow Gates NB?
anterior neck of the condyle
35
What is the insertion point of the Gow Gates NB?
about 10mm above IANB insertion; near pal cusp of max 2nd molar
36
What is the angle/landmarks of the Gow Gates NB?
from the opposite corner of mouth of tragus of ear; near mand canine
37
What is the tissue anesthetized with the Gow Gates NB?
all teeth, buccal and lingual gingiva in quad; (may require buccal NB)
38
What is the depth of the Gow Gates NB?
almost entire length of needle; boney contact
39
What is the size of needle used for Gow gate NB?
long
40
What is the volume of anesthetic used in the Gow Gate NB?
entire carpule
41
What are some additional notes for the Gow Gates NB?
- keep mouth open for 1 min after injection - target with finger on tragus - right side sit at 8oclock
42
What is the target of the incisive NB?
mental foramen
43
What is the insertion point for the incisive NB?
depth of buccal vestibule, between md. premolars
44
What is the angle/landmarks of the incisive NB?
parallel to long axis of teeth (be cognizant of the flare of the mandible)
45
What is the tissues anesthetized with the incisive NB?
all premolars and anterior teeth in quad and buccal gingiva (they are the last remaining teeth in the mouth as you get older)
46
What is the depth of insertion with incisive NB?
approx 5mm
47
What is the needle length of the incisive NB?
small
48
What is the volume of anesthetic of the incisive NB?
2/3 carpule
49
What are some additional notes on the incisive NB?
apply digital pressure for 1min aspirate on 2 planes rt and lft sit at 12 oclock
50
What is the target of the PSA?
PSA foramina | be careful of the pterygoid plexus
51
What is the insertion point of the PSA?
slight buccal to the height of the buccal vestibule; beside the second mx molar (7)
52
What is the angle/landmarks of the PSA?
- 45 degrees inward, - 45 degrees upward - 45 degrees backward - resting on retracting knuckle
53
What is the tissue being anesthetized with the PSA?
mx molars and buccal gingiva in quad except MB root of 1st molar (except in 28% of the population)
54
What is the depth of the insertion with the PSA?
approx 2/3 of needle
55
What is the length of needle with the PSA?
small (decreases risk of hematoma and is safer)
56
What is the volume of anesthetic used in the PSA?
2/3 carpule
57
What are any other notes to consider for the PSA?
get pt to partially close and relax jaw - aspirate in two planes 45 degree to the right - shift jaw toward the injection - lip will not be frozen - should you hit the pterygoid plexus - ice 24 hours, pressure followed by heat
58
What is the target of the MSA?
periosteum 3mm superior to apices of mx premolars
59
What is the insertion point of the MSA?
height of buccal vestibule between premolars
60
What is the angle/landmarks of the MSA?
parallel to long axis of teeth
61
What is the tissue anesthetized with the MSA?
premolars and buccal gingiva including MB root of 1st molar
62
What is the depth of insertion with the MSA?
approx 5mm
63
What is the needle length with the MSA?
small
64
What is the amount of anesthetic needed with the MSA?
1/2 carpule
65
What are any other additional notes to consider with the MSA?
as close as possible to the periosteum
66
What is the target point of the ASA?
periosteum of the canine fossa (between lateral and canine)
67
What is the insertion point of the ASA?
height of buccal vestibule between mx cuspid and lateral incisor (2&3)
68
What is the tissue anesthetized of the ASA?
canine, lateral, and central incisors and assoc. buccal gingiva
69
What is the angle/landmarks of the ASA?
parallel to long axis of teeth
70
What is the depth of insertion with the ASA?
approx 5mm
71
What is the length of needle in the ASA?
small
72
What is the volume of anesthetic used in the ASA?
1/2 carpule
73
What are any other notes to consider with the ASA?
as close as possible to the periosteum
74
What is the target with the infraorbital?
infraorbital foramen
75
What is the insertion point with the infraorbital?
height of the buccal vestibule adjacent to the 1st premolar (4s)
76
What is the angle/landmark with the infraorbital?
parallel to long axis of the 1st premolar | *slightly more messiah than MSA
77
What is the tissue anesthetized with the infraorbital?
all premolars and ant. teeth and assoc. buccal gingiva (also MB cusp of 1st premolar) *same as ASA and MSA combined
78
What is the depth of insertion with the infraorbital?
variable - depends on face height
79
What is the length of needle used with the infraorbital?
long
80
What is the volume of anesthetic used in the infraorbital?
1/2 carpule
81
What are any additional notes to consider with the infraorbital?
target with finger/thumb on foramen; apply digital pressure for 1 min; rt side sit at 8oclock; open palm
82
What is the target of the greater palatine?
greater palatine foramen
83
What is the insertion point of the greater palatine?
half way between lingual margin of 2nd mx molar and midline raphe
84
What is the angle/landmark of the greater palatine?
90 degrees to the palatal gingiva
85
What is the tissue anesthetized with the greater palatine?
lingual gingiva of all mx. teeth in quad except incisors and cuspid
86
What is the depth of insertion with the greater palatine?
until boney contact
87
What is the length of needle with the greater palatine?
small
88
What is the volume of anesthetic used in the greater palatine?
1/8 carpule or until tissue blanches
89
What are some additional notes with the greater palatine?
do not insert in soft palate; brace with left hand * does not enesthetize any teeth * add pressure at site for Gate control

Pharmacology Units 1-10 (13 decks)

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