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How to See Plaque?
The Latest Technology in Dentistry

單獨牙菌斑解說圖片_工作區域 1.jpg

Plaque and Calculus Detection

The fluorescence arises because of the presence of porphyritic compound, particularlyprotoporphyrin-IX (PP9)

Light-induced fluorescence: shedding new light on dental biofilms and dental caries
By Professor Laurence J. Walsh and Fardad Shakibaie

According to The University of Queensland School of Dentistry research report, uncleaned plaque in the mouth will induce a fluorescent red light after irradiation with a specific blue light wavelength. So that the uncleaned plaque in the mouth can be easily identified.  

As shown in the left figure.

Plaque showing Red Reflections

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