RT Book, Section A1 Jauch, Edward C. A1 Valdez, J. Amadeo A2 Knoop, Kevin J. A2 Stack, Lawrence B. A2 Storrow, Alan B. A2 Thurman, R. Jason SR Print(0) ID 1181040596 T1 Vermilion Border Lip Laceration T2 The Atlas of Emergency Medicine, 5e YR 2021 FD 2021 PB McGraw-Hill PP New York, NY SN 9781260134940 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=1181040596 RD 2024/04/19 AB Anatomically, the vermilion border of the lips represents the transition area from mucosal tissue to skin. Lip lacerations involving the vermilion border present a unique clinical situation, since relatively minor malalignment may produce an unacceptable cosmetic result. An associated underlying gingival or dental injury is a common finding.