Abrasion. The hard food may be causing some abrasion or irritation to the palatal tissues, which can be thin in some patients, especially if there is a palatal torus (bony growth in the roof of the palate).
Normal. Hard, rough or sharp food and candy can commonly cause small tears on the roof of the mouth. This is normal.
Stomach upset 3 days have blister custer on roof of mouth 1 on lower gum &now my vagina looks like the skin is peeling on the insde very sore & burns when peeing, no itch what could this be?
Here are some ... Clinically, some viral infection affecting mucosa and skin is highly suspected. It's most advisable to seek professional evaluation & counseling to assure not herpes infection... Of course, it would be helpful to bring the information on the onset, degree, duration, interval if any, evolution, progress, or resolution if recurrent of the Sx and their potentially related discomforts over time to Doc. Read more...