Anterior Superior Alveolar Block — MFDS Part 1 MCQ

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ModerateAnatomy (Head & Neck)Anterior Superior Alveolar BlockMFDS Part 1

During an anterior superior alveolar (ASA) nerve block, the injection site is at the mucobuccal fold above which tooth?

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Correct answer: E — Maxillary canine

The ASA nerve block targets the anterior superior alveolar nerve at the apex of the canine eminence. The injection is given at the mucobuccal fold above the maxillary canine, supplying the incisors and canine.

Reference: Malamed 2020 Handbook of Local Anesthesia