Gene W. Hirschfeld School of Dental Hygiene, Old Dominion University, Norfolk, Virginia, USA.
Department of Mathematics and Statistics, Old Dominion University, Norfolk, Virginia, USA.
Int J Dent Hyg. 2023 Nov;21(4):755-760. doi: 10.1111/idh.12754. Epub 2023 Sep 25.
Lip prints are unique and have potential for use as a human identifier. The purpose of this study was to observe possible cheiloscopy differences of individuals with and without parafunctional oral habits such as smoking, vaping, playing a wind instrument or using an asthma inhaler.
This IRB approved blinded cross-sectional observation pilot study collected lip prints from 66 individuals, three of which were excluded. Participants cleansed their lips, then lipstick was applied to the vermillion zones of the upper and lower lips. Adhesive tape was applied to the lips and prints were transferred to white bond paper for viewing purposes. Each set of included lip prints was divided into quadrants and dichotomized into a group of those with an oral parafunctional habit or with no such habits. Each quadrant sample was then manually analysed and classed according to the gold standard Suzuki and Tsuchihashi system.
A total of 252 dichotomized lip print quadrants (with habits n = 76, 30.2%, and without habits n = 176, 69.8%) were analysed. Type II patterns were the most common for examined quadrant samples; however, no statistically significant differences (Pearson's chi-squared test, p = 0.366) were observed between pattern classifications of samples with and without parafunctional oral habits.
There is no statistically significant difference of lip print patterns between individuals with and without parafunctional oral habits. Further research on populational variations is needed for cheiloscopy to aid in human identifications.
唇纹是独一无二的，具有作为人类识别特征的潜力。本研究的目的是观察有和无吸烟、吸电子烟、吹奏管乐器或使用哮喘吸入器等口腔习惯的个体之间可能存在的唇纹差异。
这项经过机构审查委员会批准的、盲法的、横断面观察性试点研究从 66 名个体中收集了唇纹，其中 3 名个体被排除在外。参与者清洁嘴唇后，在上唇和下唇的唇红区涂抹口红。将胶带贴在嘴唇上，然后将唇印转移到白色胶纸上进行观察。每一组包含的唇印被分为四个象限，并分为有口腔习惯和无口腔习惯的两组。然后手动分析每个象限样本，并根据铃木和土桥系统的金标准进行分类。
共分析了 252 个二分唇印象限（有口腔习惯的样本 n = 76，30.2%，无口腔习惯的样本 n = 176，69.8%）。在所检查的象限样本中，II 型模式最常见；然而，有和无口腔习惯的样本之间的模式分类没有统计学上的显著差异（皮尔逊卡方检验，p = 0.366）。
有和无口腔习惯的个体之间的唇纹模式没有统计学上的显著差异。需要对人群变化进行进一步研究，以帮助唇纹分析用于人类识别。
