Dental caries , a complex disease affecting majority of the world s population regardlessof age, gender, and ethnicity, is a continuous process, beginning from the atomic level ofdemineralization, progressing to initial white spots, often cause dentinal involvementeventually leading to cavitation.Recently the focus on caries treatment has shifted to the development of methods for the early stage detection of the carious lesions and the application of non-invasive treatment for these lesions by remineralization which further bridges the traditional gap between prevention, non-invasive, and...