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Medicina Legal de Costa Rica

On-line version ISSN 2215-5287Print version ISSN 1409-0015


FALLAS MORALES, Lucía; CORRALES SOLIS, Ana Laura  and  FERNANDEZ CHAVES, José Manuel. Lip prints analysis in a sample of dentistry students of the University of Costa Rica based in Renaud’s classification: Pilot Study. Med. leg. Costa Rica [online]. 2018, vol.35, n.2, pp.20-37. ISSN 2215-5287.

The objective of this study was to analyze the different morphological patterns present in the lip prints of a certain Costa Rican population and its correlation with the variables, sex, age and biological affinity. 105 lip prints were analyzed belonging to fifth and sixth year students of the dental career of the University of Costa Rica during the second semester of 2016.

Of the 105 labials analyzed by the Renaud method, the most prevalent pattern was type C in general, while, individually, in the upper lip, predominantly, the type of pattern, A and the lower lip, predominantly the type C pattern. Of the total of the analyzed samples, the different patterns and the statistical correlation between the variables, sex, age and biological affinity, remarks information that can be useful to identify individuals in the forensic field.

The results show that, with the application of the appropriate techniques in the taking of samples and a standardized analysis, the lip prints can be used in the field of forensic science as a method of identification of individuals. This study also highlights the need to conduct more research on lip prints in Costa Rica, not only to increase the number of samples, but also to obtain more extended statistical results. Besides, this research can be used to develop the necessary tools in the taking, development and analysis of lip print. Moreover, the results obtained may be taken into consideration in order to improve forensic research in the Costa Rican justice system.

Keywords : Cheiloscopy; lips; lip prints; human identification.

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