Lip Print Analysis and Changes Over Passage of Time Among Southern Rajasthan Population

Abstract

Background: Lip print patterns have been used as markers of personal identification since long duration. Cheiloscopy involves the establishment of personal identity based on the examination of skin fold pattern over the lips. The present study was conducted to determine the gender differences and changes over the time exist in lip print pattern among the selected study population Methods: The study was conducted on 50 subjects (25males and 25 females), aged from 18 to 65 years, from Southern Rajasthan population, India. A dark-colored lipstick was applied with a single stroke and the subjects were asked to rub both the lips to spread the applied lipstick, after which a lip print was made on a thin bond paper. The lip prints were studied with magnifying lens. The subjects were recalled after 6 months for a recording of their lip prints as per the established methodology.Results: The commonest lip print pattern observed in the study was type I (44%). The commonest lip print pattern among males was Type I (36 %) and the order of other lip prints seen were type I’, III, IV, II, V. Among females the commonest lip print pattern was type II (32 %) and the order of appearance of other lip prints was type IV, III, I’, I, V.Conclusion: The study concluded that every person has unique lip print pattern and gender differences are present the lip print patterns. Also, there was no change in lip print patterns as time passes.