Take home bleaching vs One hour whitening?
There are two types of professional Whitening: in office one hour whitening, also known as ZOOM! and take home whitening kit.
In office procedures are more costly of the two methods, but usually gives better results. The advantage is that it only requires one visit. Peroxide agents are applied to the teeth and a laser light is used to accelarate the whitening process. This method can improve the smile 6-7 shades or more. This process usually takes about one hour. This gives immediate result to patients, but can cause some temporary (usually up to 24 hours) sensitivity.
Take home bleaching trays are the alternative whitening method. A dentist customizes whitening trays for the users, the user places a layer of peroxide base gel in the tray for 1-3 hours for 5-10 days. For the convenient of the patient, most of these trays can be worn at night and removed in the morning. Patients are advised to keep thier custom trays and just get the bleaching refills when necessary. This is a gradual process which may take up to two weeks. Patiens can generally improve by 4-5 shades.
Please keep in mind that whitening only works on natural teeth and will not bleach crowns, bridges, fillings, veneers, or Lumineers.
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