Aseptic necrosis following maxillary osteotomies: report of 36 cases.

  title={Aseptic necrosis following maxillary osteotomies: report of 36 cases.},
  author={Dennis T Lanigan and John A. Hey and Robert A West},
  journal={Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons},
  volume={48 2},
The sequelae of insufficient vascularity following maxillary orthognathic surgery can vary from loss of tooth vitality, to periodontal defects, to tooth loss, to loss of major maxillary dentoalveolar segments. The results of a questionnaire mailed to oral and maxillofacial surgeons found this complication was most likely to occur with Le Fort I osteotomies done in multiple segments in conjunction with superior repositioning and transverse expansion. Significant palatal perforations definitely… CONTINUE READING

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