This Spotlight presents a comprehensive review of recent developments in the field of optical spectroscopy toward an alternate method for oral cancer diagnosis. The first section of the book has details about incidence, etiology, and existing screening methods, and it ends with a short note on the limitations of current techniques, suggesting the need of alternative approaches. The second part discusses the applications of fluorescence, infrared, Raman, and diffuse-reflectance spectroscopic techniques in oral cancer diagnosis. A general overview of these methods along with a detailed literature review is presented. The book concludes with a short note on future applications from a clinical perspective.
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