Test 1- Maxillary Flashcards
what is a local infiltration
area of tx is flooded with LA
what is a field block
LA is deposited near the larger terminal nerve endings
what is a nerve block
LA deposited close to main nerve trunk
What is a supraperiosteal injection aka
local infiltration
What is a supraperiosteal injection usually used for
pulpal anesthesia in max teeth
What nerves are anesthetized in a supraperiosteal
large terminal branches of dental plexus
what areas are anesthetized in a supraperiosteal inj
entire region innervated by large terminal branches of plexus, pulp and root of tooth, buccal periosteum, conn tissue, mucous membrane
-doesnt anesth lingual
What is a PSA nerve block
effective for maxillary third, second and first molars
what should be given when effective anesthesia doesnt develop with PSA block
supraperiosteal inj
what percent of people have different sensory innervation in the mb root in max first molar
28
What are the other names for a PSA
tuberosity block, zygomatic block
what nerves are anesthetized in a PSA
PSA and branches
waht areas are anesthetized of a PSA
-pulps of max third, second and first molars, buccal periodontium and bone over teeth
what are the landmarks of the PSA
mucobuccal fold, maxillary tuberosity, zygomatic process of maxilla
What are the landmarks of the supraperiosteal inj
mucobuccal fold, crown of the tooth, root contour of the tooth
How much anesthetic should be deposited in the PSA
.9 to 1.8 mL over 30 to 60 seconds
What percentage of people have and MSA nerve
28%
what nerves are anesthetized in the MSA
MSA and terminal branches
When is MSA indicated
procedures on premolars and mb root of max first molar
What are the areas anesthetized by MSA
- ASA nerve block fails to provide pulpal anesthesia distal to the max canine
- dent procedures on max premolars
What are the landmarks for the MSA
mucobuccal fold above the max second premolar
how much LA should be deposited in MSA
.9 to 1.2ml over 30 to 40 seconds
What is the ASA also known as
infraorbital nerve block
what nerves are anesthetized in the ASA
- ASA
- MSA
- infraorbital nerve
what areas are anesthetized in ASA
- pulps of max incisor through canine
- 72% of patients pulps of max premolars and MB root of first molar
- buccal periodontium and bone of same teeth
- lower eyelid, lateral aspect of nose, upper lip
what are the landmarks for the ASA
mucobuccal fold, infraorbital notch, infraorbital foramen
how much anesthetic is deposited in ASA
.9 to 1.2 mL over 30 to 40 seconds
how much anesthetic is deposited in a supraperiosteal
.6 mL over 20 seconds
What are the steps in atraumatic administration of palatal anesthesia
- topical
- pressure anesthesia
- control over needle
- deposit anesth. slowly
- trust yourself
How much anesthetic is depositied in a greater palatine inj
not more than 1/4 to 1/3 of a cartridge in no less than 30 seconds
what is the penetration depth of a greater palatine injection
5 mm
what is the greater palatine nerve block
useful for dental procedures involving the palatal soft tissues distal to the canine
what is another name for the greater palatine nerve block
anterior palatine nerve block
what is the nerve anesthetized in the greater palatine nerve block
greater palatine
what are the areas anesthetized in the greater palatine nerve block
posterior portion of hard palate and its overlying hard tissues anterior as far as the first premolar and medially to midline
are there 2 greater palatine nerves
yes
What are the landmarks for the greater palatine nerve block
greater palatine foramen and junction of the maxillary process and palatine bone
what is the nasopalatine nerve block aka
incisive nerve block, sphenopalatine nerve block
what are the nerves anesthetized in the nasopalatine nerve block
nasopalatine nerves bilaterally
what are the areas anesthetized in the nasopalatine nerve block
-anterior portion of the hard palate, bilaterally from the mesial of the right first premolar to the mesial of the left first premolar
what are the landmarks for the nasopalatine nerve block
central incisors and incisive papilla
what is the penetration depth of the nasopalatine nerve block
not greater than 5 mm
how much anesthesia should be deposited in the nasopalatine nerve block single injection
not more than 1/4 cartridge 15-30 second minimum
how much anesthesia should be deposited in the multiple injection of nasopalatine nerve block
.3 mL into each of the 3 injections
What are the nerves anesthetized in the local infilatration of the palate
terminal branches of the nasopalatine and the greater palatine
what are the areas anesthetized in the local infiltration of the palate
soft tissues in the immediate vivinity of injection
what are the landmarks in the local infiltration of the palate
gingival tissue in the estimated center of the tx area
how thick is the tissue in the areas where a local infiltration of the palate is preformed
3 to 5 mm
What nerves are anesthetized in the AMSA nerve block
asa, msa, subnural dental nerve plexus of the anterior and middle superior alveolar nerves
what areas are anesthetized in the AMSA
- pulpal anesthesia of max incisiors, canine and premolars
- buccal attached gingiva of same teeth
- attached palatal tissues from midline to free gingival margin on associated teeth
what are the landmarks of the AMSA
intersecting point midway along a line from the midpalatine suture to the free gingival margin, intersecting the contact point between the first and second premolars
how much anesthetic is delivered in the AMSA
.5 mL per minute during the injection for a total dosage of 1.4 to 1.8 mL
What are the p-asa nerves anesthetized
nasopalatine, anteriori branches of ASA
what areas are anesthetized in the p-ASA
pulps of max central incisors, lateral incisors and canines
-facial and palatal perio tissue associaed with same teeth
What are the landmarks for the p-asa
nasopalatine papilla
how far is the needle advanced in the p-asa
6 to 10 mm
how much anesthesia is deposited in the p–asa
1.4 to 1.8
waht is the maxillary nerve block
profound anesthesia of a hemimaxilla
what are the other common names of the maxillary nerve block
second division block, V2 nerve block
what are the nerves anesthetized in the maxillary nerve block
maxillary division of the trigeminal nerve
what are the landmarks for the maxillary nerve block
mucobuccal fold at the distal aspect of the maxillary second molar
- maxillary tuberosity
- zygomatic process of maxilla
How far is the needle advanced in the maxillary nerve bock
30 mm
how much anesthesia is deposited in the maxillay nerve block
1.8 mL