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1. WO2020113324 - AN OPTICAL PERIODONTAL PROBE COMPRISING A THERMOCHROMIC MATERIAL FOR MEASURING DEPTH AND/OR TEMPERATURE OF A PERIODONTAL POCKET

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[ EN ]

Claims:

1 . A photonic periodontal probe for measuring depth and/or temperature of a periodontal pocket, the periodontal probe comprising:

a handle and an optically transmissive probe tip;

said handle comprising one or more light sources for illuminating said probe tip and a detection means for detecting spectrum and intensity of light reflected from said probe tip; said probe tip having a proximal end connected to the handle and an opposite distal end for insertion into the periodontal pocket; and

said probe tip having thermochromic material and a solid carrier material,

wherein temperature of said periodontal pocket is determined from the wave length dependence reflected back to the detection means from the probe tip; and

wherein the depth of the periodontal pocket is determined from the intensity of light reflected back to the detection means from probe tip.

2. The photonic periodontal probe of claim 1 , wherein said one or more light sources are one or more broadband light sources, one or more light sources with selective wavelength emissions, or a combination thereof.

3. The photonic periodontal probe of claim 1 or 2, wherein the detection means is a wavelength sensitive detector.

4. The photonic periodontal probe of claim 3, wherein said detection means is a

spectrometer.

5. The photonic periodontal probe of claim 1 or 2, wherein the detector does not resolve wavelength.