I did some checking and everything is pointing to maybe something fungal.I didn't find any connection to your rhumatoid arthritis. That's not to say I would rule it out. There were also several other things it could be.
In the wintertime, bedrooms are filled with super dry air. Overnight many people suffer from extreme dry mouth. Dried oral tissue show up whiter than usual. Try sipping water to rehydrate. If this doesn't help, you have a
Taft Brown’s How Now Brown Cowby
!! Great for the holiday gift giving or stocking stuffer!
Taft Brown blends his love for children... in Franklin, Tennessee. Taft’s high-energy debut album titled “How Now Brown Cow” on the Green Banana Music...