Al-Mogahed Naela Mohamed, Aldorae Khalid, Alfakhri Amourah Rashad, Taleb Maram Abdullah, Al-Sharaeai Wafa'a, Kahoul Ahmad Mostafa
Department of Orthodontic, Pedodontics and Prevention- Faculty of Dentistry- Sana'a University, Sana'a, Yemen.
Department of Orthodontic, Faculty of Dentistry, Thamar University, Dhamar, Yemen.
BMC Oral Health. 2025 Jun 5;25(1):926. doi: 10.1186/s12903-025-06224-7.
Dermatoglyphics, the study of fingerprint patterns, is derived from the ectoderm, the same embryological layer responsible for craniofacial development. Its potential as a non-invasive diagnostic tool has been explored in various medical and dental conditions, including skeletal Class II malocclusion.
This study aims to evaluate the correlation between dermatoglyphic patterns and cephalometric angles (SNA and SNB) in Class II skeletal malocclusion to establish a novel diagnostic approach.
A total of 100 participants (aged 18:35 years) diagnosed with skeletal Class II malocclusion were evaluated. The participants were divided into two groups: 50 with increased SNA (> 84°) and 50 with decreased SNB (< 78°). Dermatoglyphic patterns, including Whorls, Loops, Tented Loops, Central Pockets, and Arches, were analyzed for all 10 fingers using the ink-and-stamp method. Cephalometric measurements were conducted using standardized lateral cephalogram. Statistical analyses, including Chi-Square tests and correlation analysis, were performed to identify significant associations.
Whorl patterns were most associated with increased SNA, while Plain Loops correlated significantly with decreased SNB. The middle finger (F3) and Index finger (F7) emerged as the most reliable indicators of skeletal discrepancies. Chi-Square analysis confirmed a statistically significant association between fingerprint patterns and cephalometric measurements (p < 0.001).
Dermatoglyphic patterns, particularly Whorls and Loops, demonstrate strong correlations with SNA and SNB angles in skeletal Class II malocclusion. This study establishes dermatoglyphics as a non-invasive, reliable diagnostic tool for early detection and personalized treatment planning in orthodontics.
皮纹学，即对指纹图案的研究，源自外胚层，这是与颅面发育相关的同一胚胎层。其作为一种非侵入性诊断工具的潜力已在包括骨性II类错牙合在内的各种医学和牙科疾病中得到探索。
本研究旨在评估骨性II类错牙合中皮纹图案与头影测量角度（SNA和SNB）之间的相关性，以建立一种新的诊断方法。
对总共100名被诊断为骨性II类错牙合的参与者（年龄18至35岁）进行评估。参与者被分为两组：50名SNA增加（>84°）的和50名SNB减少（<78°）的。使用油墨和印章法分析了所有10根手指的皮纹图案，包括斗形纹、箕形纹、帐篷形箕纹、中央口袋形纹和弓形纹。使用标准化的头颅侧位片进行头影测量。进行了包括卡方检验和相关性分析在内的统计分析，以确定显著关联。
斗形纹与SNA增加最为相关，而普通箕形纹与SNB减少显著相关。中指（F3）和食指（F7）成为骨骼差异最可靠的指标。卡方分析证实了指纹图案与头影测量之间存在统计学上的显著关联（p<0.001）。
皮纹图案，特别是斗形纹和箕形纹，在骨性II类错牙合中与SNA和SNB角度显示出很强的相关性。本研究将皮纹学确立为一种用于正畸早期检测和个性化治疗计划的非侵入性、可靠的诊断工具。
