there are black spots on my tongue. i have had them for a while. i recently had a tumor removed they check my blood. i did an hiv test and it came back negative. i am not sexually active. i do gargle and brush my teeth and srub my tongu front and back but it is not going away. i have check on other websites to see if it was hairy black tongue. it's not. i don't know if mt papillae is long and it giving me these blackcolor on my tongue . the papillae on my tongue is has black spots on them. what can i do to get rid of them it is embarrassing to talk and people are looking in your mouth. please kelp me . had this since 2007 same time i had the tumor and i did not know about it at that time. the tumor is al gone but something is wrong . please help