For those annoying tea and coffee stains that build up in the tight spaces in between, here’s a trick that might help you.
Try brushing your teeth first, then, before rinsing the toothpaste out, use the floss to spread the gritty toothpaste in between. This creates like a tiny scour method for these areas. This approach works really well with the ‘whitening’toothpastes that contain extra polishing particles.