1. A method for diagnosing oral lesions comprising the steps of: (a) acquiring an image of an oral lesion being diagnosed for a patient; (b) outputting to a visual display a plurality of descriptor terms for describing a plurality of oral lesions; (c) selecting a subset of the plurality of descriptor terms to describe the oral lesion being diagnosed; (d) processing the selected subset of the plurality of descriptor terms to output to the visual display a differential diagnosis list of the most probable oral lesions; (e) finally selecting a most appropriate oral lesion from the differential diagnosis list; (f) processing the finally selected oral lesion to output to the visual display a list of appropriate medications for treating the finally selected oral lesion; and (g) finally selecting a most appropriate medication from the list of appropriate medications.