| Nerve: Middle superior alveolar nerve | |
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| Distribution of the maxillary and mandibular nerves, and the submaxillary ganglion. | |
| Alveolar branches of superior maxillary nerve and sphenopalatine ganglion. | |
| Latin | ramus alveolaris superior medius nervi maxillaris |
| Gray's | subject #200 891 |
The middle superior alveolar nerve is a nerve that drops from the infraorbital portion of the maxillary nerve to supply the sinus mucosa, the roots of the maxillary premolars, and the mesiobuccal root of the first maxillary molar. It is not always present; and in the majority of cases it is non existent with the posterior superior alveolar nerve innervating the premolars and molars alone.
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