Exam 2 Flashcards
What are the landmarks for supraperiosteal infiltration
mucobuccal fold; crown of tooth, root contour of tooth
what is the point of presentation for the supraperiosteal infiltration
mucobuccal fold above selected tooth
what is the site of deposition for the supraperiosteal infiltration
above apex of selected tooth, 6-7mm deep
how much anesthetic is administered for the supraperiosteal infiltration
0.6mL or 1/3 cartridge
what is the technique and needle used for the supraperiosteal infiltration
parallel to long axis of tooth; 25 short needle
what hard tissue is anesthetized for supraperiosteal infiltration
selected tooth, pulp and root
what soft tissue is anesthetized for the supraperiosteal infiltration
facial tissues of the selected tooth
what are the landmarks for the PSA
maxillary tuberosity; mucobuccal fold, 2nd maxillary molar
what is the point of presentation for the PSA
height of mucobuccal fold just distal to 2nd molar
what is the site of deposition for the PSA
apex of 3rd molar; 10-16mm deep
how much anesthetic is administered for the PSA
0.9-1.7mL or 1/2-full cartridge
what is the technique and needle used for the PSA
45 degrees down and out,, 25 short or 27 short needle
what hard tissue is anesthetized for the PSA
maxillary molars
what soft tissue is anesthetized for the PSA
overlying facial tissue
what are the landmarks for the MSA
maxillary 2nd premolar; mucobuccal fold
what is the point of presentation for the MSA
height of mucobuccal fold above 2nd premolar
what is the site of deposition for the MSA
above apex of 2nd premolar, 5-10mm deep
how much anesthetic is administered for the MSA
0.9-1.2mL or 1/2-2/3 cartridge
what is the technique and needle used for the MSA
parallel to long axis of 2nd premolar, 25 short or 27 short needle
what hard tissue is anesthetized for the MSA
maxillary premolars
what soft tissue is anesthetized for the MSA
overlying facial tissues and lip
what are the landmarks for the ASA
maxillary incisors and canine
what is the point of presentation for the ASA
height of mucobuccal fold just mesial to canine
what is the site of deposition for the ASA
above apex of canine, 5mm deep
what much anesthetic is administered for the ASA
0.6-0.9mL or 1/3-1/2 cartridge
what is the technique and needle used for the ASA
45 degrees toward apex of canine, 25 short, or 27 short needle
what hard tissue is anesthetized for the ASA
maxillary incisors and canine
what soft tissue is anesthetized for the ASA
overlying facial tissues and lip
what are the landmarks for the NP
maxillary central incisors, incisive papilla
what is the point of presentation for the NP
either side of the incisive papilla
what is the site of deposition for the NP
incisive foramen, 4mm deep
how much anesthetic is administered for the NP
0.45mL or 1/4 cartridge (or until blanches)
what is the technique and needle used for the NP
angle under papilla towards foramen, 25 short, or 27 short needle
what hard tissue is anesthetized for the NP
anterior 1/3 of hard palate (canine to canine)
what soft tissue is anesthetized for the NP
palatal tissues from canine to canine
what are the landmarks for the GP
2nd molar and GP foramen
what is the point of presentation for the GP
anterior to greater palatine foramen
what is the site of deposition for the GP
just anterior to GP, 3-6mm deep
how much anesthetic is administered for the GP
0.45-0.6mL or 1/4-1/3 cartridge (or until tissue blanches)
what is the technique and needle used for the GP
approach from either side of mouth, 25 short or 27 short
what hard tissue is anesthetized for the GP
posterior 2/3 of hard palate
what soft tissue is anesthetized for the GP
palatal tissues distal to canine
what are the landmarks for the AMSA
premolars/midpalatal suture line/free gingival margin
what is the point of presentation for the AMSA
halfway between the midpalatal suture line and free gingival margin between the premolars
what is the site of deposition for the AMSA
palatine bone; 4mm deep
how much anesthetic is administered for the AMSA
1.4-1.7mL or 3/4-full cartridge
what is the technique and needle used for the AMSA
pressure anesthesia for 1 minute; approach from either side of mouth; 27 short needle
what hard tissue is anesthetized for the AMSA
maxillary incisors, canine, and premolars to midline
what soft tissue is anesthetized for the AMSA
facial tissues of maxillary incisors, canine and premolars; all lingual tissue of palate
which injections have an immediate onset
NP and GP
what are the landmarks for the IA/lingual
coronoid notch; pterygomandibular raphe; corner of mouth
what is the point of presentation for the IA/lingual
lateral to the pterygomandibular raphe; 8-10mm occlusal plane
what is the site of deposition for the IA/lingual
at or above mandibular foramen; 20-25 mm deep; pull back halfway for lingual
how much anesthetic is administered for the IA/lingual
1.4-1.7mL 3/4-full cartridge for IA; 0.2mL or 1/8 cartridge for lingual
what is the technique and needle used for the IA/lingual
approach from opposite side of mouth; syringe over premolars and parallel to mandibular occlusal plane; needle hugs raphe; seat patient upright; 25 long needle
what hard tissue is anesthetized for the IA/lingual
mandibular teeth to midline; body of mandible
what soft tissue is anesthetized for the IA/lingual
facial tissues form 2nd premolar to midline; all lingual tissues; anterior 2/3 of tongue; floor of mouth
what are the landmarks for the long buccal
internal and external oblique ridge; mandibular molars
what is the point of presentation for the long buccal
height of distobuccal cusps; distal and lateral molars; between internal and external ridges
what is the site of deposition for the long buccal
anterior border of ramus; 3mm deep
how much anesthetic is administered for the long buccal
0.2 or 1/8 cartridge
what is the technique and needle used for the long buccal
syringe parallel and facial to mandibular occlusal plane, 25 long or 27 long needle
what hard tissue is anesthetized for the long buccal
no teeth
what soft tissue is anesthetized for the long buccal
facial tissues of mandibular molars
what are the landmarks for the incisive
mental foramen; 2nd mandibular premolar; mucobuccal fold
what is the point of presentation for the incisive
mucobuccal fold directly over or just anterior to the mental foramen
what is the site of deposition for the incisive
directly over or just anterior to the mental foramen, 5-6mm deep
how much anesthetic is administered for the incisive
0.6-0.9mL or 1/3-1/2 cartridge
what is the technique and needle used for the incisive
parallel to long axis of premolars; apply pressure for 1-2 minutes over foramen; 25 short or 27 short needle
what hard tissue is anesthetized for the incisive
1st or 2nd premolar; all anterior teeth to midline
what soft tissue is anesthetized for the incisive
facial tissues of premolars to central incisor, chin and lower lip
what are the landmarks for the mental
mental foramen; 2nd mandibular premolar; mucobucccal fold
what is the point of presentation for the mental
mucobuccal fold directly over or just anterior to the mental foramen
what is the site of deposition for the mental
directly over or just anterior to the mental foramen; 5-6mm deep
how much anesthetic is administered for the mental
0.6mL or 1/3 cartridge
what is the technique and needle used to the mental
parallel to long axis of premolars; 25 short or 27 short needle
what are tissue is anesthetized for the mental
none
what soft tissue is anesthetized for the mental
facial tissues of premolars to central incisor, chin and lower lip
what are the landmarks for gow gates
tragus of ear; corner of mouth; mesiolingual cusp of maxillary 2nd molar
what is the point of presentation for the gow gates
tissue adjacent to distofacial cups of maxillary 2nd molar just lateral to raphe
what is the site of deposition for the gow gates
neck of condyle; 25-30mm deep
how much anesthetic is administered for the gow gates
1.7mL (full cartridge)
what is the technique and needle used for the gow gates
approach from opposite corner of mouth; syringe parallel with line connecting corner of mouth tragus of ear; 25 long needle
what hard tissue is anesthetized for the gow gates
mandibular teeth to midline
what soft tissue is anesthetized for the gow gates
all buccal and lingual tissues; anterior 2/3 of tongue; floor of mouth on that same side
what is the onset for the long buccal
1 minute
what are the contraindications for epinephrine
uncontrolled hyperthyroidism, sulfite sensitivity, cocaine or methamphetamine within 24 hours, ASA III or IV, diabetes pregnant and lactating, asthma
what innervates structures close to the nerve
mantle
what innervates structures further away from the nerve
core
where are fasciculi located in mantle bundles
outer region
where aer fasciculi located in core bundles
central region
what produces myeline and is surrounded and protect peripheral nerves
schwann cells
modification of nerve membrane caused by diffusion of local anesthetic molecules to lipophilic regions of the membrane
membrane expansion theory
the membrane expansion theory causes a narrowing of:
sodium ion channels
the binding of local anesthetic molecules to structural proteins called specific protein receptor sites within the ion channels
specific protein receptor theory
does the membrane expansion theory or specific protein receptor theory explain more of action potentials
specific protein receptor theory
what causes the specific protein receptor theory
RNH+
carry nerve impulses to the CNS
afferent nerves
carry nerve impulses away from the CNS
efferent nerves
caused by injury or disease in body tissues. can be constant or intermittent and often escalates with movement
nociceptive pain
what is used to preserve epinephrine
bisulfites