The German report notes that Pyrovatex easily separates formaldehyde and often is used together with ethylene carbamide to help trap released formaldehyde (BMU, 2000).

And especially today, be it porcelain veneers, be it dental implants that are fast eliminating the use of dentures and bridges in patients' mouths, be it the use of carbamide peroxide in combination with ultraviolet light that has cut teeth bleaching down to a one-hour- one-time visit.