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. 2022 Aug 29;407(7):3039–3044. doi: 10.1007/s00423-022-02663-w

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© The Author(s) 2022

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 1 — Procedure for establishing the submental incision and placement of trocars. (A) Expansion fluid was injected around the designed incision. (B) Incising the skin and dissociating to the deep surface of superficial cervical fascia. (C) Using blunt separation to establish the space. (D) Locations for three trocars; the central trocar was located at the submental incision, and the other two trocars were located at the oral angle