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Lip prints: an identification aid.

R K Karki1

  • 1Department of Forensic Medicine and Toxicology, Dhulikhel Hospital, Kathmandu University Hospital, Kathmandu University School of Medical Sciences, Kavre, Nepal. rkkarki17@hotmail.com

Kathmandu University Medical Journal (KUMJ)
|November 8, 2012
PubMed
Summary
This summary is machine-generated.

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Lip prints exhibit unique patterns, aiding in sex determination for forensic identification. Analysis revealed distinct differences between male and female lip print types, confirming their potential for individual identification.

Area of Science:

  • Forensic Science
  • Anthropology
  • Human Identification

Background:

  • Lip prints, characterized by lines and furrows, possess unique individual characteristics similar to fingerprints.
  • These prints are formed by normal wrinkles and grooves on the human lip, located between the inner labial mucosa and outer skin.

Purpose of the Study:

  • To investigate the significance of lip prints in sex determination for forensic investigations.
  • To establish the utility of lip prints as a biometric tool for identification purposes.

Main Methods:

  • A study was conducted on 150 medical students (75 males, 75 females) at Kathmandu University School of Medical Sciences.
  • Lip prints were collected and analyzed using the Suzuki classification system.

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Main Results:

  • Significant differences in lip print patterns were observed between males and females.
  • Type II patterns were most common overall. Type I and I' were more prevalent in males, while Type I was rare in females.
  • Type II patterns in the fourth quadrant were common in females, as were similar patterns across all four quadrants.

Conclusions:

  • Each lip print is unique, supporting its use in identification.
  • Lip print patterns can be utilized to predict an individual's sex, enhancing forensic analysis.