>>13651831Compression from your teeth literally grinding the sugar crystals into each others crevices. Go to multiple dentists before you get your "cavities" filled though. A lot of those fuckers tell you the dark spots on your molars are cavities when they might just be heavy staining that doesn't go away.
>>13653412Because believe it or not, your tooth goes down into your gums where shit gets stuck and can rot out. The gums seal the grime too, so even alcohol washing or heavy brushing doesn't free it. You have to occasionally floss it out. What's worse is that if it's soft spindly grime like chicken then it will wick bacteria right to your tooth.
