oral id  a unique adjunctive device  for examination of oral tissue abnormalities .the device is a not in nature l but  a great tool for  for identifying the susceptible  oral tissue  abnormalities.  the device  works on "fluorescence technology." it is totally maintenance free & rugged and works on batteries. Oral id is having certificates like us 510, ce  and currently used in  many countries of the world including india.   ·     oral id  is an adjunctive screening device that uses fluorescence technology to help clinicians identify oral abnormalities. ·    it increases  the efficacy of oral exams ·    it uses a proven, optically based technology called "fluorescence technology." ·    it uses a blue light (435–460 nm) that allows a clinician to identify oral cancer, pre-cancer and other abnormal lesions at an earlier stage    "this technology identifies dysplastic lesions - even micro invasive lesions that were completely 'normal' looking with visible light, even to the suspicious eye of an oral pathologist.