Which of the Following Procedures May Allow for LESS Discomfort

Multiple Choice

Which of the following procedures may allow for LESS discomfort when anesthetizing the palate of a patient with the anterior middle superior alveolar block? (Select all that apply. )

A) Topical anesthetic
B) Pressure anesthesia
C) Computer-controlled local anesthetic delivery device
D) Bidirectional rotation needle insertion technique
E) Philtrum near the upper lip
F) None of the above