When preparing an anesthetic tray, the gauze 2 × 2 square is placed on the tray to
wipe the end of the carpule prior to loading into the syringe.
dry the mucosa prior to placing topical anesthetic.
drying or isolating the tooth prior to giving the injection.
wipe any anesthetic off the syringe needle prior to administering the injection.
dry the mucosa prior to placing topical anesthetic.
Rationale: dry the mucosa prior to placing topical anesthetic.
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