Baby Mouth Sores Has Any One Heard Of This?my Girl Is 10 And Since She Was A Baby Shes Had Recurring Sores In Her Mouth?

Has any one heard of this?my girl is 10 and since she was a baby shes had recurring sores in her mouth? - baby mouth sores

viral disease docs say, but it was so bad once that Che hospital for dehydration (drink it too painful). Could it be something to do with his grandmother gave him soda as a child, I never asked him several times, cold sores a lot of his grandmother.