In office Laser Whitening uses a high intensity light to emit a particular wavelength to activate a special gel to remove difficult stains. Laser whitening can be used in conjunction with "At Home" whitening to give a quicker result usually same day or next day. It is also used for difficult stains where regular whitening will not remove. This treatment is done in the office and patients usually leave with their teeth one to three shades lighter. You also receive the home whitening that day as well to supplement the treatment.
Notice the difference in the photo between the upper teeth where Laser Whitening has been applied and the bottom teeth where Laser Whitening has not yet been applied.