Gender determination using cheiloscopy

Area of Science:

• Forensic Odontology
• Biometrics

Background:

• Lip prints are utilized as forensic evidence for human identification.
• The efficacy of lip prints in gender determination remains a subject of investigation.

Purpose of the Study:

• To document common lip print patterns and their variations within a study population.
• To assess the uniqueness of lip print patterns for individual identification.
• To evaluate the potential of lip prints for gender determination.

Main Methods:

• Collection of 235 lip prints from volunteers.
• Recording and digital enhancement of lip prints using photography and specialized software.
• Analysis of groove patterns on lip prints.

Main Results:

• All collected lip prints exhibited unique characteristics, confirming their utility in individual identification.
• Specific lip print patterns, including dots, reticular, and complex types, were found to be statistically significant for gender determination.

Conclusions:

• Lip prints serve as a reliable method for individual identification due to their inherent uniqueness.
• The presence of specific lip print patterns can aid in determining gender, adding another layer to forensic analysis.