Upon investigation, the dark marks seemed to be the result of fluorescent whitening agents in the paper. It appears they are overloaded or otherwise changed chemically by the laser, and slowly ...
Woman In Protective Red Glasses While Laser Whitening. Dental And Teeth Healthcare ... White toothpaste coming out of tube UV Whitening Teeth - An ultra violet whitening machine closeup in operation ...
Teeth-whitening treatments are relatively new to my own routine, and I’ve noticed that with consistent use, they help me keep that just-left-the-dentist-clean look (especially a month or two ...