The differences of sweat pore on fingerprints of Thai, Myanmar and Cambodian nationalities
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Abstract
Sweat pores are one of the features of fingerprints that can be used for identification. This research was conducted to study the data of sweat pore in Thai, Myanmar and Cambodian nationalities in 75 male volunteers aged 20-60 years. The selected areas were the thumbs of the right and left sampled by by rolling fingerprint method (from one edge of the nail to the other edge of the nail). Fingerprints were taken to study the sweat pores using the DCS4. It was found that the average sweat pore number was significantly different (p<0.05) across the three nationalities. The Burmese nationality had the highest average sweat pore number (115.12±2.25), followed by Cambodian nationality (107.12±1.60), while Thai nationality had the lowest average number of sweat pore (97.56±0.97). For the study of the position of sweat pore, it was shown that both closed and open sweat pores in all three nationalities were significantly different at p<0.05 and the closed type was more frequent than the open type. The large size of sweat pore did not differ between nationalities but small size and medium size were significantly different (p<0.05).
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