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Au-TiO2-Coated Spectroscopy-Based Human Teeth Disorder Detection Sensor: Design and Quantitative Analysis.
Sumaiya Akhtar Mitu1,2, Kawsar Ahmed2,3, Francis M Bui3
1Department of Information Technology, University of Information Technology & Sciences (UITS), Dhaka 1212, Bangladesh.
Micromachines
|June 28, 2023
Summary
A new photonic crystal fiber sensor detects dental disorders using spectroscopy. This technology offers high sensitivity for analyzing tooth components like enamel, dentine, and cementum.
Area of Science:
- Biomedical Engineering
- Optical Sensing
- Dental Diagnostics
Background:
- Human tooth health is crucial for overall well-being.
- Dental diseases can lead to severe health complications.
- Advanced diagnostic tools are needed for early detection of tooth disorders.
Purpose of the Study:
- To simulate and analyze a novel spectroscopy-based photonic crystal fiber (PCF) sensor.
- To detect various dental disorders in human teeth.
- To evaluate the sensor's performance for analyzing tooth components.
Main Methods:
- Numerical simulation and analysis of a PCF sensor.
- Utilizing SF11 as the base material and gold (Au) as the plasmonic material.
- Incorporating TiO2 within the gold and sensing layers, with an aqueous solution as the sensing medium.
Main Results:
- The sensor achieved high wavelength sensitivity and low confinement loss for enamel, dentine, and cementum.
- Maximum values obtained: Enamel (28,948.69 nm/RIU, 0.00015 dB/m), Dentine (33,684.99 nm/RIU, 0.00028 dB/m), Cementum (38,396.56 nm/RIU, 0.00087 dB/m).
- These high responses indicate precise detection capabilities.
Conclusions:
- The developed PCF sensor demonstrates significant potential for dental disorder detection.
- The sensor's design flexibility, robustness, and wide bandwidth support its application in biological sensing.
- This technology represents a recent advancement in non-invasive dental diagnostics.
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