RM Vatchala rani, Anjum Ara, B C Manjunath, Pooja Gupta, Radhey Shyam


Objective: To nd out whether lip prints can be used as a tool for identication of a gender and to nd the
most common lip patterns which can be useful for gender prediction.
Materials and Methods: A cross sectional study was carried out among 100 individuals visiting a dental institution in New Delhi
with age ranging from 18 years to 50 years. A dark, non glossy red colour lipstick was used to take lip impression. A cellophane
tape was used to retrieve the lip patterns and the same was transferred on white bond sheet. Using a 10x magnifying glass, the
lip patterns were recorded using Suzuki and Tsushihashi classication (1970). The data was analysed using SPSS 22 and Chi-
Square test was used to nd the difference among gender with p value xed at 0.05
Results: In the study participants, overall, Type II was predominantly present (35.8%) when compared to Type I (30.8%). Even
though, there was difference in the occurrence of Type II lip patterns among females (23.8%) and males (12.8%), it was not
statistically signicant (p>0.05).
Conclusion: Lip patterns are unique and can be compared to nger prints. Type II lip patterns were found predominantly with
more female predilection. Large population based studies are required to obtain lip prints from various ethnic population so
that matching can be done in cases of person identication.


Cheiloscopy, Lip Patterns, Lip Prints, Tsushihashi,

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