Lower lip repair using double opposing rectangular rotation flaps with reconstruction of the mentolabial groove and mental protuberance |
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| Affiliation: | 1. Department of Clinical Oral Oncology, Unit of Translational Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan;2. Department of Oral and Maxillofacial Surgery, Kobe University Graduate School of Medicine, Kobe, Japan;1. Oral and Maxillofacial–Head & Neck Oncology Department, Ninth People''s Hospital, Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Head and Neck Cancer Centre, Shanghai, China;2. Intervention Radiology Department, Ninth People''s Hospital, Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Head and Neck Cancer Centre, Shanghai, China;1. Section of Clinical Oral Physiology, Department of Dentistry, Aarhus University, Denmark;2. Section of Oral and Maxillofacial Surgery, Aarhus University Hospital, Denmark;3. Section of Oral Pathology and Maxillofacial Surgery, Department of Dentistry, Aarhus University, Denmark;4. Center for Functionally Integrative Neuroscience (CFIN), MindLab, Aarhus University Hospital, Denmark;1. Assistant Professor, Department of Oral and Maxillofacial Surgery, Dentistry and Orthodontics, University of Tokyo Hospital;2. Associate Professor, Department of Oral and Maxillofacial Surgery, Dentistry and Orthodontics, University of Tokyo Hospital;3. Professor, Department of Oral and Maxillofacial Surgery, Dentistry and Orthodontics, University of Tokyo Hospital;1. Department of Clinical Sciences, Faculty of Veterinary Medicine, Urmia University, Iran;2. AVA Pet Clinic, Urmia, Iran;3. Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatchewan, Canada |
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| Abstract: | ![]()
The use of a rectangular flap is a well known technique for upper lip repair in cleft lip, but is less common for lower lip repair after tumour resection. We have found this type of flap to be favourable for lower lip reconstruction, especially for the lip to mental region. We describe herein an improvement to the technique in which two opposing rectangular flaps, with the length of one side equal to the vertical distance from the mentolabial groove to the vermilion border, were raised on the lateral sides of a U-shaped defect. Reconstruction was performed by interdigitation of the two flaps and a bilateral vermilion advancement flap. This new approach allows a distinct mentolabial groove and mental protuberance to be created by utilizing two opposing rectangular flaps and redundant tissue, without sacrificing sensation and muscle function. Our results suggest that the technique provides excellent functional and cosmetic outcomes in restoration of the lower lip in properly selected patients. |
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| Keywords: | rectangular flap lower lip reconstruction Hagedorn mental protuberance |
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