唐氏综合症患者及其非综合症亲生兄弟姐妹的纤毛镜检查。

Q3 Medicine Journal of Forensic Odonto-Stomatology Pub Date : 2019-09-30
L C Cardoso Fernandes, J de Araújo Oliveira, P M Rabello, B M Santiago, M V Diniz de Carvalho, E P Soriano
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引用次数: 0

摘要

该研究旨在对唐氏综合症患者及其非综合症亲生兄弟姐妹的唇印模式进行比较分析。这是一项横断面盲法研究,采用归纳法和大量直接观察程序。总共 68 张唇瓣图被命名为唇瓣图,分为以下两组(n=34):G1组包括唐氏综合症患者;G2组包括非唐氏综合症患者的兄弟姐妹。样本选自巴西 PB 省若昂-佩索阿市。在被称为亚象限的八个唇部区域对以下特征进行了评估:口腔突起(下翻、水平和上翻);唇厚度(薄、中、厚和混合);唇沟(I - 完全垂直;I '- 不完全垂直;II - 分叉;III - 十字形;IV - 网状;或 V - 未定义)。数据采用配对学生 t 检验和 McNemar's Chi-square 分析,显著性水平为 5%。结果发现,大多数唐氏综合症患者的口腔颊突下垂占 73.5%,而其兄弟姐妹的口腔颊突水平占 73.5%(P=0.009)。各组间嘴唇厚度的差异无统计学意义。在唇沟形态的分析中,唐氏综合征患者(G1)与非综合征的兄弟姐妹(30.1%)相比,I型唇沟形态(52.2%)的发生率更高(p =< 0.001)。由于唐氏综合征患者往往具有垂直唇沟纹和下弯的基突,因此他们的咀嚼镜与非综合征的兄弟姐妹相比存在差异,这表明综合征遗传影响了这些特征的形成。不过,由于唐氏综合症患者的唇表型差异较小,这可能意味着颊面镜鉴定的可能性降低。
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Cheiloscopy in individuals with Down syndrome and their nonsyndromic biological siblings.

The study aimed to carry out a comparative analysis between the lip print patterns in individuals with Down Syndrome and their nonsyndromic biological siblings. This was a cross-sectional blind study using an inductive approach and extensive direct observation procedures. A total of 68 cheiloscopic charts, named cheilograms, were divided into two groups (n=34), as follows: G1, including Down Syndrome individuals; and G2, including their nonsyndromic siblinggs. The convenience sample was selected in the city of João Pessoa, PB, Brazil. The following features were evaluated in eight labial regions called sub-quadrants: oral commissures (downturned, horizontal and upturned); lip thickness (thin, medium, thick and mixed); and labial grooves (I - complete vertical; I '- incomplete vertical; II - bifurcated; III - criss-cross; IV - reticular; or V - undefined). The data were analyzed by paired Student's t test and McNemar's Chi-square, with a 5% significance level. Most Down Syndrome individuals were found to have downturned oral commissures in 73.5% of cases, while their siblings showed a predominance of horizontal commissures in 73.5% of cases (p=0.009). There was no statistically significant difference for lip thickness between groups. In the analysis of labial groove patterns, Down Syndrome individuals (G1) showed a significant prevalence of the type I pattern (52.2%) as compared to their nonsyndromic siblings (30.1%) (p =< 0.001). Due to the tendency of having vertical labial groove patterns and downturned commissures, Down Syndrome individuals present cheiloscopic differences in relation to their nonsyndromic biological siblings, which suggests that syndromic genetics influences the development of these features. However, this may imply in a reduced potential of cheiloscopic identification due to the low divergence of labial phenotypes among Down Syndrome individuals.

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来源期刊
Journal of Forensic Odonto-Stomatology
Journal of Forensic Odonto-Stomatology Medicine-Pathology and Forensic Medicine
CiteScore
1.20
自引率
0.00%
发文量
14
期刊介绍: The Journal of Forensic Odonto-Stomatology is the official publication of the: INTERNATIONAL ORGANISATION FOR FORENSIC ODONTO-STOMATOLOGY (I.O.F.O.S
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