ChhangMak

Introduction

Doctors often need to screen for oral cancer. When certain wavelengths of light are emitted into the mouth, cancerous and pre-cancerous tissues will have different fluorescent properties than healthy tissue. We can use this property to identify cancerous and pre-cancerous tissue in the mouth. However, in the mouth, emitted fluorescent light is often much weaker in magnitude than the reflected light we get from the light we put into the mouth in the first place.

Appendix

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