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. Le Fort 1 maxillary osteotomy carries a risk of injury to the descending palatine arteries which vascularize the bulk of the mucosa of the bony palate. Some authors believe that injury to these arteries in the greater palatine canal is intrinsic to the procedure without any consequence for the trophicity of the mucosa or bony palate. In order to assess the risk of injury to the descending palatine...