Fluorescence imaging caries detection device based on blue light LED induction

By designing a portable blue light LED induced fluorescence imaging caries detection device, the problem of high price of existing caries detection equipment is solved, low-cost and convenient caries detection is achieved, and the effect of oral disease prevention is improved.

CN119745327APending Publication Date: 2025-04-04UESTC (SHENZHEN) ADVANCED RES INST +1
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Patent Information

Application Number
CN202411880881.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-04-04

AI Technical Summary

Technical Problem

Existing dental caries detection equipment is expensive and difficult to popularize in families, which limits the role of oral disease prevention.

Method used

A fluorescence imaging caries detection device based on blue light LED induced was designed. The plaque was fluorescently generated by using blue light LED light source, and the CCD camera was imaged and electrical signal processing was performed to establish a mapping relationship between the degree of caries and the intensity of the electrical signal to realize caries detection.

Benefits of technology

The device is portable, simple in structure and low in cost. It can effectively detect caries, providing families with convenient oral health testing methods, early detection of caries, and improve the prevention effect of oral diseases.

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Abstract

The invention discloses a fluorescence imaging caries detection device based on blue light LED induction, and belongs to the technical field of caries detection. The device comprises an LED light source and an optical filter, the LED light source is aligned with the tooth surface and emits light with specific wavelength, and the light irradiates the tooth surface; the dental plaque attached to the surfaces of the teeth generates fluorescent light, and the fluorescent light passes through the optical filter. The optical filter is used for filtering light source light interference and ambient light interference, and only light with specific wavelength is left. The filtered optical signal enters a mobile phone CCD for imaging, and caries detection is completed. The detection device is simple and portable, low in cost and high in practicability, and facilitates detection and prevention of early-stage decayed teeth at home.
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