Utilization of lip prints as an investigating tool in forensic dentistry

Ajay Bhambal; Swati Balsaraf; Vrinda Saxena; Venugopal Reddy; Abhinav Singh; Sudhanshu Saxena; Bharthi Purohit

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Year : 2011 | Volume : 9 | Issue : 18 | Page : 402-406

Utilization of lip prints as an investigating tool in forensic dentistry

Ajay Bhambal¹, Swati Balsaraf², Vrinda Saxena³, Venugopal Reddy⁴, Abhinav Singh⁵, Sudhanshu Saxena⁵, Bharthi Purohit⁵
¹ Professor and Head, Senior Lecturer, Dept. of Public Health Dentistry, People's College of Dental Sciences and Research Centre, Bhopal, Madhya Pradesh, India
² PG Student, Senior Lecturer, Dept. of Public Health Dentistry, People's College of Dental Sciences and Research Centre, Bhopal, Madhya Pradesh, India
³ Associate Professor, Senior Lecturer, Dept. of Public Health Dentistry, People's College of Dental Sciences and Research Centre, Bhopal, Madhya Pradesh, India
⁴ Reader, Senior Lecturer, Dept. of Public Health Dentistry, People's College of Dental Sciences and Research Centre, Bhopal, Madhya Pradesh, India
⁵ Senior Lecturer, Dept. of Public Health Dentistry, People's College of Dental Sciences and Research Centre, Bhopal, Madhya Pradesh, India

Correspondence Address:
Ajay Bhambal
Professor and Head, Senior Lecturer, Dept. of Public Health Dentistry, People's College of Dental Sciences and Research Centre, Bhopal, Madhya Pradesh
India

Source of Support: None, Conflict of Interest: None

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The wrinkles and grooves on labial mucosa forms a characteristic pattern called as lip prints and the study of which is referred to as cheiloscopy. This is unique to an individual just like the fingerprints. This study aims to ascertain the use of lip prints in identification and sex determination. A total of 120 subjects, 60 males and 60 females were included in this study. The materials used to record lip prints were lipstick, bond paper, cellophane tape, a brush for applying the lipstick, and a magnifying lens. The lip-print was then analyzed and interpreted to determine the sex of individuals. The most predominant pattern was Type II (33.33%). In males, Type III (36.66%) lip pattern was predominantly reported whereas Type II (43.33%) lip pattern was commonly found in females. Statistical analysis (applying Z-test for proportion) showed significant difference for type II and III lip patterns (P < 0.05) in males and females. This study showed that lip prints are reliable for recognition of the sex of an individual and can also serve as very important tool in the identification of a person based on the characteristic arrangement of lines appearing on the red part of the lips.

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