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Populational Variations of Cheiloscopy Patterns: A cross-sectional observation pilot study.

Emily Smith Regan1, Brenda T Bradshaw2, Ann M Bruhn1

  • 1Gene W. Hirschfeld School of Dental Hygiene, Old Dominion University, Norfolk, VA, USA.

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|October 10, 2023
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Summary
This summary is machine-generated.

Lip print patterns show no significant differences between individuals with and without oral habits like smoking or vaping. Further research is needed to confirm cheiloscopy

Keywords:
cheiloscopyforensic odontologylip printsparafunctional oral habitspopulation

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Area of Science:

  • Forensic Science
  • Anthropology

Background:

  • Lip prints are unique biometric identifiers with potential applications in human identification.
  • Cheiloscopy, the study of lip prints, examines patterns for forensic and identification purposes.

Purpose of the Study:

  • To investigate potential differences in lip print patterns (cheiloscopy) between individuals with and without parafunctional oral habits.
  • Oral habits examined include smoking, vaping, wind instrument use, and asthma inhaler use.

Main Methods:

  • A blinded, cross-sectional observational pilot study involving 63 participants.
  • Lip prints were collected using lipstick and adhesive tape, then analyzed manually using the Suzuki and Tsuchihashi system.
  • Lip print quadrants were classified based on the presence or absence of oral parafunctional habits.

Main Results:

  • A total of 252 lip print quadrants were analyzed, with 30.2% from individuals with habits and 69.8% without.
  • Type II patterns were the most prevalent across all analyzed samples.
  • No statistically significant differences in lip print pattern classification were found between the groups with and without parafunctional oral habits (p=0.366).

Conclusions:

  • The study found no statistically significant correlation between parafunctional oral habits and lip print patterns.
  • Further research into populational variations is recommended to enhance the utility of cheiloscopy in human identification.