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J Forensic Dent Sci. 2014 May;6(2):126-31. doi: 10.4103/0975-1475.132543.

Experimental model of developing and analysis of lip prints in atypical surface: A metallic straw (bombilla).

Author information

1
CIMA Group, Faculty of Dentistry, Universidad of La Frontera, Temuco, Chile ; Department of Oral Pathology, Faculty of Dentistry, National University of Cordoba, Argentina.
2
Justice Department of Cordoba, Cordoba, Argentina.
3
Doctoral Program in Morphological Science, Faculty of Medicine, University of La Frontera, Temuco ; Center of Research in Biomedical Sciences, Universidad Autónoma de Chile, Temuco, Chile.

Abstract

BACKGROUND:

The interaction between the offender and the victim produces visible or latent prints on objects and utensils. The study of lip prints has reportedly stayed away from the basic cinematic concept of the lip-to-surface relationship.

MATERIALS AND METHODS:

Three regular powders were used to reveal the latent lip prints on a typical metallic straw called bombilla, and the revealed prints were photographed, preserved, and analyzed.

RESULTS:

Better definition was observed in the lower lip print, and nine anatomical patterns were identified, but a higher definition of wrinkles was observed with indestructible white powder.

CONCLUSION:

Knowledge of labial dynamics, the real value of the processed surfaces, and the need for testing in field conditions are discussed.

KEYWORDS:

Cheiloscopy; criminalistics; forensic odontology

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