Tooth whitening kits offer a cost-effective way to combat the common causes of discoloration. These include certain medications, smoking and beverages such as coffee , tea , soda and red wine .
The Opalescence is a custom teeth whitening treatment designed to remove surface stains and brighten your smile. It does so through carbamide peroxide , which has a deeply penetrating effect , unlike ordinary hydrogen peroxide . safely whitening stained teeth .
The Opalescence is available through dentists in three versions, for treatment at the clinic and two types of kits for home treatment .