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LA Anatomy, Armamentarium & injections
Terms in this set (44)
The nerve dentist are most concerned about is the ___________________
CN V originates from the _________
V1 is also known as
The ophthalmic nerve innervates
Forehead and upper eyelid region
- mucous membrane of upper part of nasal cavities, sinus cavities and cornea
CN V2 is also known as the ________
The maxillary nerve innervates __________
The PSA, MSA, ASA, and infraorbital nerve travel through which canal?
Infra orbital canal
CN V3 is also known as _________
CN V3 sensory innervation
CN V3 motor innervation
The smaller the needle number, the __________ the diameter of the lumen
Cartridge of LA are prefilled to what volume
What are the components of the cartridge?
DO NOT BEND THE NEEDLE
DO NOT BEND THE NEEDLE
When you apply topical anesthesia, you must do what first to the skin
Dry the mucosa with gauze
How do you calculate the dosage of LA
2% = 2 gm / 100 ml = 2000 mg / 100 ml = 20 mg / ml
3 % carbocaine would equal how much LA in a 1.8 ml cartridge?
30 mg/ml * 1.8 ml = 54 mg / cartridge
How would you calculate how many cartridges you can administer?
Max dosage of LA / LA in each cartridge
How do you calculate vasoconstrictor
1: 100,000 = 1 gm / 100,000 ml = 0.01 mg / ml
How much vasoconstrictor is in a 1:100,000 1.8 ml cartridge?
What is the max epinephrine you can administer to a patient with cardiovascular disease?
What do you do if you have a patient with cardiovascular disease and you have already administered 0.04 mg of epi and they are still not numb?
administer LA w/o epi
Which teeth are innervated by the PSA?
maxillary molars except MB root of 1st molar
Where would you inject for a PSA block?
2-2.5 cm posterior and superior to the maxillary 2nd molar
Which teeth are innervated by the MSA?
MB root of maxillary 1st molar and premolars
Which tooth is innervated by the PSA an MSA
maxillary 1st molar
Where is the entry point for an MSA block
Enter between the maxillary first molar and 2nd premolar
Which teeth are innervated by the ASA?
maxillary canine, lateral and central incisor
(up to the mid line of the face)
How do you administer an ASA block
needle entry at the apex of the canine directed at a 45 degree angle posterior
which nerve would you block to provide analgesia to the posterior palate?
greater palatine nerve
where is the greater palatine foramen located?
medial to the maxillary tuberosity
Which nerve innervates the anterior hard palate
Nasopalatine nerve enters the oral cavity through which foramen?
Which nerve would you block to provide analgesia to the mandible
Inferior alveolar nerve
If you are attempting an IA block and you do not hit bone, which nerve could you possible anesthetize
Facial nerve in the parotid gland
what facial features would be present if you hit the facial nerve during a IANB?
Approximately how far into the mucosa should you advance to hit bone for an IANB
When conducting a Gow-Gates technique for an IANB, where are you aiming to administer LA?
anterior to the neck of the condyle in proximity to the mandibular branch after it exits foramen ovale
Which IANB technique requires that the mouth be open during injection?
Gow Gates technique
What IANB technique would you use if the patient could not open their mouth?
Which nerve do you need to anesthetize for the buccal mucosa?
Long buccal nerve
Which nerve is blocked that innervates the floor of the mouth?
After completing the IAN block, reposition the needle to block which nerve?
What nerve innervates the facial aspect of the anterior mandible and lower lip
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