토끼7
I'm usually worried that my teeth are not white. I brush thoroughly and sometimes use mouthwash. However, because my teeth are a bit yellowish, it looks like I haven't brushed at all, so I can't smile widely and laugh freely. Scaling alone makes my teeth sensitive and uncomfortable, so I'm curious about teeth whitening. Does teeth whitening hurt during the procedure? I envy people with white and beautiful teeth. It seems like teeth are something you're born with. I'm curious about teeth whitening.
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