来自MSN4 个月
I Tried Teeth Whitening For the First Time, Here's My Experience & Results
I basically just took a nap during the entire teeth whitening process. My before/after photos from my We Whiten professional teeth whitening treatment. Click Here for $20 Off Your Treatment.
Hackaday5 年
Disappearing Writing With UV Laser Reveals Whitening Agents In Myriad Products
However, [Ben Krasnow] stumbled upon a different method entirely when tinkering with a UV laser ... you never actually thought about before. Video after the break.