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Although dental implantation is considered to be a safe surgical procedure, this report focuses on a critical hemorrhaging episode associated with implant placement in the first mandibular premolar position. Excessive bleeding and formation of massive lingual, sublingual, and submandibular hematomas were the result of arterial trauma that occurred during the osteotomy preparation. The vascular injury was induced through a perforation of the lingual mandibular cortex. Critical bleeding was conservatively controlled and the case was further handled efficiently with an expectant airway management in a hospital environment. Similar case reports are reviewed in an attempt to draw attention to this rare but potentially life-endangering risk of implant dentistry. Common causes of severe hemorrhage in the floor of the mouth, anatomical considerations, bleeding control measures, and related airway issues are also discussed.
Kalpidis et al. (Wed,) studied this question.