Time for tooth whitening?  The eyes may be the windows of the soul, but teeth may also be the first thing others notice.
D000328:Adult; D003729:Dental Care / Q000379:methods*; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D006861:Hydrogen Peroxide / Q000008:administration & dosage; D009067:Mouthwashes / Q000008:administration & dosage; D004366:Nonprescription Drugs / Q000008:administration & dosage*; D012648:Self Care / Q000379:methods*; D014073:Tooth Bleaching / Q000379:methods*; D014100:Toothpastes / Q000008:administration & dosage
D009067:Mouthwashes; D004366:Nonprescription Drugs; D014100:Toothpastes; D006861:Hydrogen Peroxide