What is this whiteness and zigzag in the text?؟؟؟؟

What is this? White patches and lines in the text, and there are bumps on the roof of the mouth. What is the treatment? Cheap, effective, and without a prescription. Those who have been cured, please share the prescription.

https://preview.redd.it/it44zdrjanrg1.jpg?width=1080&format=pjpg&auto=webp&s=17bafb7d63e319bdec1d86f01ca144d72bebe83d

https://preview.redd.it/9q7266rjanrg1.jpg?width=1080&format=pjpg&auto=webp&s=39ce54f56b3d4df315300bb11d3996a0f052668f

https://preview.redd.it/gvlhx6rjanrg1.jpg?width=1080&format=pjpg&auto=webp&s=efc315e1a391c5d7b9fdd8d859ce0129a201d150