Why is there a white, rough patch on my mouth roof (not tongue)? I suddenly sensed it and it wasn't there a while ago. Is it there because I ate a crispy
![Examples of tongue image segmentation. Top row: refined tongue images... | Download Scientific Diagram Examples of tongue image segmentation. Top row: refined tongue images... | Download Scientific Diagram](https://www.researchgate.net/profile/Miaojing-Shi/publication/260128951/figure/fig5/AS:214052597964805@1428045524636/Examples-of-tongue-image-segmentation-Top-row-refined-tongue-images-and-final.png)
Examples of tongue image segmentation. Top row: refined tongue images... | Download Scientific Diagram
![A), (B) and (C) Irregular white plaques in back of tongue and lower... | Download Scientific Diagram A), (B) and (C) Irregular white plaques in back of tongue and lower... | Download Scientific Diagram](https://www.researchgate.net/profile/Mariza-Tancredi-3/publication/334710091/figure/fig7/AS:784977499267074@1564164628915/A-B-and-C-Irregular-white-plaques-in-back-of-tongue-and-lower-lip-mucosa-D.png)