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Positional Relationship of Superior and Inferior Labial Artery by Ultrasonography Image Analysis for Safe Lip Augmentation Procedures

Authors
 Kyu-Lim Lee  ;  Hyung-Jin Lee  ;  Kwan-Hyun Youn  ;  Hee-Jin Kim 
Citation
 CLINICAL ANATOMY, Vol.33(2) : 158-164, 2020-03 
Journal Title
 CLINICAL ANATOMY 
ISSN
 0897-3806 
Issue Date
2020-03
Keywords
filler injection ; inferior labial artery ; lip augmentation ; lip contouring ; noninvasive treatment ; superior labial artery ; ultrasonography analysis
Abstract
The aim of this study was to use ultrasonography to determine the locations and distributions of the superior labial artery (SLA) and the inferior labial artery (ILA) relative to the vermilion border (VB). Sixty healthy Korean volunteers (35 males, 25 females; age, 21-36 years) were investigated using ultrasonography. The participants had not received any noninvasive treatment or surgical procedure in the facial regions during the previous 6 months. Based on the VB, the overall thicknesses of the upper and lower lips were 9.4 ± 0.4 mm (mean ± SD) and 10.9 ± 0.7 mm, respectively. In most cases, the labial arteries were located in the wet mucosal layer on both the upper (35-57%) and lower lips (28-55%), respectively. In the upper lip, the SLA was in the intramuscular layer in 20-45% of cases, making it the second most common type. At some of the measuring points, the SLA was observed more often in the intramuscular layer than in the wet mucosal layer. In the lower lip, the ILA was also located in the dry mucosa (5-27%). The dry-wet mucosal junction is unclear in the lip area, and the ILA was commonly observed at the dry-wet mucosal junction. The arterial depth was 5.3 ± 0.3 mm in the upper lip and 4.2 ± 0.4 mm in the lower lip. The SLA and ILA are evenly distributed over all parts of the oral mucosa. Injection procedures for lip augmentation should therefore use very superficial approaches.
Full Text
https://onlinelibrary.wiley.com/doi/full/10.1002/ca.23379
DOI
10.1002/ca.23379
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Oral Biology (구강생물학교실) > 1. Journal Papers
Yonsei Authors
Kim, Hee Jin(김희진) ORCID logo https://orcid.org/0000-0002-1139-6261
Lee, Hyung Jin(이형진) ORCID logo https://orcid.org/0000-0002-3082-935X
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/175990
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