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Local: module 9 (maxillary injections); module 10 (mandibular injections)

Terms in this set (40)

what is the most frequently employed LA technique
supraperiosteal (infiltration) injection
The PSA nerve block is also called
tuberosity block and zygomatic block
-Pulps of max. 3rd, 2nd, & 1st molars ( 72% have entire 1st molar numbed, 28% the MB root does not anesthetized)
-buccal periodontium and bone overlying these teeth
ares the PSA nerve block anesthetizes
Is bone contacted with the PSA injection?
No
The PSA injection is the most common injection to cause _____ because the needle is inserted too far posteriorly into the pterygoid plexus of veins
hematoma
what is the likelihood of getting a positive aspiration during a PSA injection?
3.1%
what is the area of insertion for PSA?
height of mucobuccal fold above max 2nd molar
What is the clock positions for right and left PSA injections for right handed clinician?
Right: 8
Left: 10
For the PSA, go ____, ____, and ____ at a 45 degree angle
upward, inward, and backward
How far should the needle be inserted for a PSA injection? How much LA should be given?
16mm
1/2-3/4
-pulps of maxillary 1st and 2nd premolars, MB root of first molar
-buccal periodontal tissues and bone over these teeth
MSA injection
A positive aspiration occurs on less than ____% during an MSA injection
3
Where is the area of insertion for MSA injection
height of mucobuccal fold above the max 2nd premolar (apex)
what is the target area of the MSA injection?
max bone above the apex of the max 2nd premolar
what are the clock positions for the MSA injection for a right handed clinician
Right: 10
left: 8 or 9
How far should the needle be inserted for the MSA? How much LA should be given?
1/4-1/2 inch
1/2-2/3
what are the nerves anesthetized during the ASA injection?
ASA, MSA, and infraorbital nerves------ inferior palpebral, lateral nasal, and superior labial
-pulps of max. central incisors through canine on injected side
-72% 1st and 2nd premolars, MB root of 1st molar
-labial (buccal) periodontal tissues and bone over these teeth
-lateral nose, lower eyelid, upper lip
ASA
positive aspiration occurs in _____% during ASA
.7
Target area for the ASA
infraorbital foramen below the infraorbital notch
landmarks for ASA
-mucobuccal fold above 2nd max premolar
-infraorbital notch and foramen
For a right or left ASA injection for a right handed clinician the clock position is at
10
The _____ ______ must be palpitated during and after injection of ASA
infraorbital foramen
How far should the needle insert while doing an ASA injection? How much LA should be given?
~1/4-1/2 inch
1/3-1/2
posterior portion of hard palate and its overlying soft tissues, anteriorly as far as the first premolar and medially to midline
GP
How far should the needle be inserted for a GP injection? how much LA should be administered?
5mm deep
1/8 or until blanched
Anterior portion of the hard palate (soft and hard tissues) from the mesial of the right first premolar to the mesial of the left first premolar with exceptions----- canine to canine
NP
where is the area of insertion of the NP
palatal mucosa just lateral to incisive papilla (go beneath the papilla)
where is the area of insertion for the GP
soft tissue just slightly anterior to GP foramen
How far should the needle be inserted for NP injection? How much LA should be given?
3mm deep
1/8 or until tissue is blanched
-mandibular teeth to midline
-body of mandible, inferior portion of ramus
-buccal mucoperiosteum, mucous membrane anterior to the man. 1st molar (mental nerve)
-anterior 2/3rds of tongue and floor of mouth of oral cavity (lingual nerve)
-lingual soft tissues and periosteum (lingual nerve)
IAN
what three things must be considered when doing IAN injection
1. hight of injection
2. anteroposterior placement of needle
3. depth of penetration
Do not deposit anesthetic if bone is not contacted during the IAN injection because .....
the needle may be resting within the parotid gland near facial nerve
How far is the needle inserted in an IAN injection? How much should be deposited?
20-25mm deep; pull out half way to get lingual nerve
3/4-1 cart.; 1/8 for the lingual nerve
soft tissues and periosteum buccal to mandibular molar teeth
buccal branch
long buccal
the site of penetration for the LB should be at the level of the buccal cusp (______), _____ with occlusal plane, ____ and _____ to mand. molars (the buccal shelf)
HOC; parallel; distal and buccal
How far should the needle be inserted during a LB injection? how much LA should be deposited?
3-4mm
1/8
-Buccal mucous membrane anterior to mental foramen, usually the 2nd premolar to the midline
-lower lip and skin of chin
-pulpal nerve fibers to the premolars, canine, and incisors
incisive (mental)
Point of penetration for the incisive (mental) injection
mucobuccal fold just anterior to mental foramen
How deep should the incisive (mental) injection be? How much LA should be deposited?
5-6mm
1/2
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