De fleste ønsker et lyst smil som kan tjene dem godt både personlig og profesjonelt, but teeth whitening procedures can also come with negatives. (ISTOCK/GETTY) How your teeth look says a lot about you. That’s why many people opt for teeth-whitening procedures at the dentist’s office or whitening strips that can be purchased for use […]
Monthly Archives: October 2015
Carbamide peroxide & hydrogen peroxide All professional grade teeth whitening products contain hydrogen peroxide or carbamide peroxide, which is the bleaching (or stain removing) agent. Hydrogen peroxide breaks down faster than carbamide peroxide, which means it releases most of its bleaching power within 30–60 minutes. Conversely, carbamide peroxide releases about 50% of its whitening power […]