Variation in lip print pattern between two ethnic groups, Oraon tribals and Bengalee Hindus, residing in West Bengal, India

Archita Dey; Mahua Chanak; Kaustav Das; Koel Mukherjee; Kaushik Bose

doi:10.2478/anre-2019-0031

Authors

Archita Dey Department of Anthropology, University of Calcutta, Kolkata, India
Mahua Chanak Department of Anthropology, Vidyasagar University, India
Kaustav Das Department of Anthropology, Bangabasi College, Kolkata, India
Koel Mukherjee Anthropological Survey of India, Andaman and Nicobar Regional Centre, Port Blair, India
Kaushik Bose Department of Anthropology, Vidyasagar University, India

DOI:

https://doi.org/10.2478/anre-2019-0031

Keywords:

cheiloscopy, Oraon, Bengalee Hindu

Abstract

Lip print pattern (LPP) is unique to each individual. For decades, forensic experts have used LPP for personal identification to solve criminal cases. However, studies investigating ethnic variation in LPP are scanty. Our study wanted to investigate variation in LPP between two ethnic groups, Oraon tribals and Bengalee Hindus, residing in West Bengal, India. A total of 280 participants included 112 Oraons and168 Bengalee Hindus of both. Prints were taken using dark shaded lipstick and transparent cellophane tape and recorded into white A4 sheet. Prints were divided into four quadrants and examined by magnifying glass. For analysis of results, classification of Suzuki and Tsuchihashi was followed. A p value of 0.05 was considered to be statistically significant. It was observed that Type II pattern was dominant in first and second quadrants in both ethnic groups, irrespective of sex. Combination of Type II+III was found to be the most common pattern in males among both Oraons (16.2%) and Bengalee Hindus (12.2%) whereas in females Type II pattern (25.0%) among Oraons and Type III pattern among Bengalee Hindus (11.4%) was the most common. Chi square test showed statistically significant difference among females (p<0.05) and in third and fourth quadrants among males (p<0.01) of both ethnic groups. Our investigation clearly demonstrated sex and ethnic variations in LPP. Further studies are required to investigate ethnic variation in LPP among the various populations groups, both tribal as well as non-tribal, from different regions of India.

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