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Is Re-Creation Of Human Identity Possible Using Tooth Prints? An Experimental Study to Aid in Identification

Nidhi Gupta , Nidhi Gupta , Kiran Jadhav , Ahmed Mujib B.R. , Vikram S. Amberkar

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Indian Journal of Forensic Medicine and Pathology 6(3):p 155-160, July - September 2013. | DOI:

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Abstract

Enamel in teeth, as documented is the hardest substance in the entire human body. Tooth prints are the enamel rod end patterns on the tooth surface. Could this fact be a boon in utilizing it for an individual’s identification in the hands of forensic experts? A study has been attempted towards the same. These tooth prints were recorded for sixty extracted tooth specimens after acid etching using a cellophane tape. Subsequently a digital image of the print was obtained which was subjected to biometric conversion using Verifinger standard SDK version 6.0 software followed by the use of Automated Fingerprint Identification System (AFIS) software for comparison of the tooth prints. In results we observed that tooth prints were composed of varied patterns and sub patterns. A comparison was made between the tooth prints of different and the same individual and also between different classes of teeth (incisors, canines, premolars and molars). None of the patterns exhibited intra- and inter- individual similarity. Nor did any particular class of the tooth could be preferentially used over the other for an individual identification. This field demands a need for further exploration towards the use of tooth prints for establishing an individual’s identity. 

Keywords: Ename,Tooth prints,Forensic experts. 

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