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. 2011 Jan;3(1):3-7.
doi: 10.4103/0975-1475.85282.

Patterns - "A crime solver"

A Nagasupriya  1 , Raghu Dhanapal, K Reena, Tr Saraswathi, Cr Ramachandran
Affiliations

Patterns - "A crime solver"

A Nagasupriya et al. J Forensic Dent Sci. 2011 Jan.

Abstract

Objective: This study is intended to analyze the predominant pattern of lip and finger prints in males and females and to correlate lip print and finger print for gender identity.

Materials and methods: The study sample comprised of 200 students of Vishnu Dental College, Bhimavaram, Andhra Pradesh, 100 males and 100 females aged between 18 to 27 years. Brown/pink colored lip stick was applied on the lips and the subject was asked to spread it uniformly over the lips. Lip prints were traced in the normal rest position of the lips with the help of cellophane tape. The imprint of the left thumb was taken on a white chart sheet and visualized using magnifying lens. While three main types of finger prints are identified, the classification of lip prints is simplified into branched, reticular, and vertical types. Association between lip prints and finger prints was statistically tested using Chi-square test.

Results: This study showed that lip and finger patterns did not reveal statistically significant results within the gender. The correlation between lip and finger patterns for gender identification, was statistically significant. In males, branched type of lip pattern associated with arch, loop, and whorl type of finger pattern was most significant. In females, vertical lip pattern associated with arch finger pattern and reticular lip pattern associated with whorl finger patterns were most significant.

Conclusion: We conclude that a correlative study between the lip print and finger print will be very useful in forensic science for gender identification.

Keywords: Cheiloscopy; dermatoglyphics; sex determination.

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Conflict of interest statement

Conflict of Interest: None declared

Figures

Figure 1
Figure 1
Types of finger prints
Figure 2
Figure 2
Types of lip prints
Graph 1
Graph 1
Association between gender and lip pattern
Graph 2
Graph 2
Association between gender and finger pattern
See this image and copyright information in PMC

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