What are potential complications of a complex lip laceration?

Updated: Aug 25, 2020
  • Author: Gretchen S Lent, MD; Chief Editor: Erik D Schraga, MD  more...
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The risk of contamination is considerable in intraoral lacerations, but the risk of resulting infection is low due to excellent vascularity. [23] However, with highly contaminated wounds, the administration of prophylactic antibiotics should be considered, depending on the depth and degree of contamination. Patients should be instructed to return if signs of infection develop (eg, fever, swelling, spreading erythema). Remind patients that intraoral wounds may appear white for a few days. A wound check may be arranged within 48 hours.

Wounds to the vermilion border may result in deep scars and tissue redundancy that may require later revision by a plastic surgeon. [24]

On rare occurence, traumatic lacerations of the oral mucosa may result in subsequent arteriovenous malformations. [25]

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