Ok, so I got clear & plastic retainers for my teeth because I got my braces of. So, I haven't been cleaning them lately. There is this white-ish, yellow-ish color. My ortho told me it was tar. He told me I needed "densel cleaners'? I can't remember what it was called. Please help me. I tried brushing it, but it wouldn't come of. Please Help Me.
*Please NO stupid/useless comments*