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Forensic Identification through Denture Tags: Performance under Stimulated Environmental Conditions.

Dhwani Patel¹, Pooja Ahuja², Santhiya Raghavan¹

¹Department of Forensic Odontology, School of Medico-Legal Studies, National Forensic Sciences University, Gandhinagar, Gujarat, India.

Journal of Pharmacy & Bioallied Sciences

|October 30, 2025

Summary

Near-field communication (NFC) chips embedded in dentures remain functional after environmental stress. This technology supports reliable identification in critical situations.

Keywords:

Dental prostheses NFC tags dentures human identification

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Area of Science:

Biomaterials Science
Forensic Science
Medical Device Technology

Background:

Near-field communication (NFC) technology offers potential for embedding identification data into medical devices.
Dentures, particularly in mass fatality incidents, require robust methods for identification and data retrieval.

Purpose of the Study:

To assess the durability and scannability of NFC chips integrated into complete and partial dentures.
To evaluate the impact of various environmental conditions on the performance of embedded NFC tags.

Main Methods:

56 denture samples (complete and partial) with embedded NFC tags (LINQS® Micro NFC, NXP NTAG213 chip) were subjected to six environmental challenges (temperature, pH).
Tag readability, data retention, and structural integrity were assessed using a smartphone NFC reader before and after exposure.

Main Results:

All embedded NFC tags remained scannable and readable post-exposure to diverse environmental conditions.
Minor physical degradation and no signal loss were noted, even after extreme temperature exposure.
Tag scannability varied slightly depending on the specific environmental conditions encountered.

Conclusions:

NFC tags demonstrate excellent compatibility and reliability when embedded within complete and partial dentures.
The technology's resilience, even under severe thermal stress, supports its use for rapid, unambiguous identification in forensic and medical contexts.