at the top of all your teeth?ive been using the white strips, but now the bottom of my teeth are better, but there's a small strip at the top that is a different color, wtf?
The Moody Unicorn feels pissed off about JohnCU's fucked up chompers
does it look like your gums have receded a bit? Receding gums will show more tooth structure, and it is a different color than the exposed, more white tooth.
an example
I doubt this is the case, but I felt like making an attempt to contribute to a thread.