POSTERIOR SUPERIOR ALVEOLAR ARTERY

The 'posterior superior alveolar artery' ('posterior dental artery') is given off from the internal maxillary, frequently in conjunction with the infraorbital just as the trunk of the vessel is passing into the pterygopalatine fossa.
Descending upon the tuberosity of the maxilla, it divides into numerous branches, some of which enter the alveolar canals, to supply the molar and premolar teeth and the lining of the maxillary sinus, while others are continued forward on the alveolar process to supply the gums.

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See also

★ posterior superior alveolar nerve

★ anterior superior alveolar arteries

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