D & L GRAPHICS / SCIENCE PHOTO LIBRARY D & L GRAPHICS / SCIENCE PHOTO LIBRARY
Middle superior alveolar nerve nerve block. Artwork of a syringe being used to inject a local anaesthetic to numb the middle superior alveolar nerve, a procedure known as a nerve block. This nerve (not always present) supplies the premolar teeth of the upper jaw, and sometimes part of the first molar. This nerve block allows minor surgery to be carried out on the upper teeth and mouth, including dental work. The injection is applied in the buccal fold in the region of the premolars. For the three regions affected by superior alveolar nerve blocks, see C016/6835. For the injections, see C016/6822 to C016/6824.
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