11/18/25, 4:40 PM Maxillary Injection techniques
Maxillary Injection techniques NEWEST VERSION 2026
\LATEST UPDATE WITH COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS \VERIFIED 100% GRADED A+
LATEST UPDATE 2025 -2026
What nerve does the The maxillary nerve.
anterior superior alveolar
(ASA) nerve branch from?
Which nerves does the Middle superior alveolar (MSA) and posterior
maxillary nerve give off? superior alveolar (PSA) nerves.
What happens if the The ASA nerve takes over the role of the MSA.
middle superior alveolar
nerve is absent?
Which topical anesthetics Lidocaine 5% or benzocaine 20%.
are commonly used?
Where does topical On non-keratinized tissues.
anesthetic work best?
What is the depth of About 2-3 mm.
penetration for topical
anesthetic?
How long should topical 2 minutes.
lidocaine gel be left in
place for best
effectiveness?
What should you ask Whether they have had any adverse reactions to
patients before applying topical anesthetics.
topical anesthetic?
1/10
, 11/18/25, 4:40 PM Maxillary Injection techniques
Which nerve does the The maxillary nerve.
anterior superior alveolar
(ASA) nerve come from?
Which nerves does the Middle superior alveolar (MSA) and posterior
maxillary nerve give off? superior alveolar (PSA) nerves.
What happens if the MSA The ASA nerve takes over the role of the MSA.
nerve is absent?
What topical anesthetics Lidocaine 5% or Benzocaine 20%.
are commonly used?
Where does topical Non-keratinized tissues.
anesthesia work best?
What is the depth of 2-3 mm.
penetration of topical
anesthesia?
How long should topical 2 minutes.
lidocaine gel be left for
best effect?
Why should you ask about Some patients may have adverse reactions.
reactions before applying
topical anesthetic?
Why are regional blocks The cortical plate is thick, preventing diffusion of
preferred in the anesthetic to apical nerves.
mandible?
Why does infiltration work The buccal alveolus is thin, allowing anesthetic to
in the maxilla? diffuse to apical nerves.
What does infiltration at Terminal branch b.
point 1 anesthetize?
What does infiltration at Terminal branches d and e of both x and y nerves.
point 2 anesthetize?
More than one nerve supplies a tooth, especially in
What is cross-innervation?
the midline.
2/10
Maxillary Injection techniques NEWEST VERSION 2026
\LATEST UPDATE WITH COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS \VERIFIED 100% GRADED A+
LATEST UPDATE 2025 -2026
What nerve does the The maxillary nerve.
anterior superior alveolar
(ASA) nerve branch from?
Which nerves does the Middle superior alveolar (MSA) and posterior
maxillary nerve give off? superior alveolar (PSA) nerves.
What happens if the The ASA nerve takes over the role of the MSA.
middle superior alveolar
nerve is absent?
Which topical anesthetics Lidocaine 5% or benzocaine 20%.
are commonly used?
Where does topical On non-keratinized tissues.
anesthetic work best?
What is the depth of About 2-3 mm.
penetration for topical
anesthetic?
How long should topical 2 minutes.
lidocaine gel be left in
place for best
effectiveness?
What should you ask Whether they have had any adverse reactions to
patients before applying topical anesthetics.
topical anesthetic?
1/10
, 11/18/25, 4:40 PM Maxillary Injection techniques
Which nerve does the The maxillary nerve.
anterior superior alveolar
(ASA) nerve come from?
Which nerves does the Middle superior alveolar (MSA) and posterior
maxillary nerve give off? superior alveolar (PSA) nerves.
What happens if the MSA The ASA nerve takes over the role of the MSA.
nerve is absent?
What topical anesthetics Lidocaine 5% or Benzocaine 20%.
are commonly used?
Where does topical Non-keratinized tissues.
anesthesia work best?
What is the depth of 2-3 mm.
penetration of topical
anesthesia?
How long should topical 2 minutes.
lidocaine gel be left for
best effect?
Why should you ask about Some patients may have adverse reactions.
reactions before applying
topical anesthetic?
Why are regional blocks The cortical plate is thick, preventing diffusion of
preferred in the anesthetic to apical nerves.
mandible?
Why does infiltration work The buccal alveolus is thin, allowing anesthetic to
in the maxilla? diffuse to apical nerves.
What does infiltration at Terminal branch b.
point 1 anesthetize?
What does infiltration at Terminal branches d and e of both x and y nerves.
point 2 anesthetize?
More than one nerve supplies a tooth, especially in
What is cross-innervation?
the midline.
2/10
