yes i think the hard thing is defining what is cancer. Is there an objective idea out there? when does dysplasia become cancer. What are the screening tools to identify dysplasia early. It seems not alot of info is out there about screening for dysplasia in the mouth? I feel like this should be part of physical and or dental exam? My dr is good but he said with leukoplakia it is hard to tell and only 4 percent of white lesions turn into cancer?