Middle superior alveolar nerve
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; in 72% of cases it is non existent with the anterior superior alveolar nerve innervating the premolars and the posterior superior alveolar nerve innervating the molars, including the mesiobuccal root of the first molar.
| 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. | |
| Details | |
| Identifiers | |
| Latin | ramus alveolaris superior medius nervi maxillaris |
| TA | A14.2.01.051 |
| FMA | 52932 |
| Anatomical terms of neuroanatomy | |
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