Gender variation in morphological patterns of lip prints among some north Indian populations

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Yogesh Vats
Jasmine Dhall
A Kapoor

Abstract

Background: Personal identification is an integral part of forensic investigations. For the same, DNA profiling and fingerprints are the most commonly used tools. But these evidences are not ubiquitous and may not necessarily be obtained from the crime scene. In such a scenario, other physical and trace evidences play a pivotal role and subsequently the branches employed are forensic osteology, odontology, biometrics, etc. A relatively recent field in the branch of forensic odontology is cheiloscopy or the study of lip prints. A comparison of lip prints from the crime scene and those obtained from the suspects may be useful in the identification or narrowing down the investigation. Aim: The purpose of the present study is to determine the gender and population variability in the morphological patterns of lip prints among brahmins, Jats, and scheduled castes of Delhi and Haryana, India. Settings and Design: Samples were collected from Jats, brahmins, and scheduled castes of Delhi and Haryana. The total sample size consisted of 1399 individuals including 781 males and 618 females in the age group of 8-60 years. Care was taken not to collect samples from genetically related individuals. The technique was standardized by recording lip prints of 20 persons and analyzing them. Materials and Methods: Lip prints were collected by using a corporate′s invisible tape and analyzed using a hand lens. The patterns were studied along the entire length and breadth of both the upper and the lower lip. The data were analyzed by SPSS statistical package version 17 to determine the frequencies and percentages of occurrence of the pattern types in each population group and a comparison between males and females among the groups was carried out by using the z test. Results and Conclusions: The z-test comparison between patterns of males and females shows significant differences with respect to pattern types I′, II, III, and IV among brahmins; I′, II, III, IV, and Y among Jats; and I, I′, II, III, and V among scheduled castes. Thus, it can be concluded that the variability of the lip print pattern can help sex differentiation among groups and that more studies on the lip print pattern should be carried out to bring new dimensions to forensic anthropology and to aid the law enforcement agencies.

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How to Cite
Yogesh Vats, Jasmine Dhall, & A Kapoor. (2012). Gender variation in morphological patterns of lip prints among some north Indian populations. Journal of Forensic Dental Sciences, 4(1), 19–23. https://doi.org/10.4103/0975-1475.99155

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