I have had those same type bumps infrequently for several yrs. I beleive i am correct in assuming that those bumps are a signe of infection in the intestines and/or elswhere. Eating onions or garlic and yogurt will proly help or cure. I also use a good antiseptic mouthwash to distroy germs in mouth. Of course a few days of echinacia/goldenseal plus vitamin C will provide a powerfull antidote.
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white dot on tongue 
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