“…Complications of wisdom tooth extraction are infection, bleeding, root fracture, tuberosity fracture, soft tissue injury, nerve injury (posterior superior alveolar branch of maxillary), damage of adjacent tooth, and so on. Some case reports regarding postoperative bleeding associated with undiagnosed disorders, such as hemophilia 6,7 , Klippel‐Trenaunay‐Weber syndrome 8 , multiple myeloma 9 , and disseminated intravascular coagulation 10 , have been published, but predicting the risks of hemorrhage before and during extraction can be difficult for healthy patients.…”