Method for teeth whitening

摘要

Teeth brightening comprises applying a bleaching agent to a surface of the tooth or teeth to be bleached; leaving the bleaching agent to act on the tooth for 3-30 minutes; removing the bleaching agent from the tooth surface; and repeating the three steps at least once. Independent claims are included for: (1) a kit for brightening teeth comprising a bleaching agent and a lip and cheek retractor; and (2) a bleaching agent comprising 50-96 wt.% solvent, 2-30 wt.% oxidation agent and 2-30 wt.% varnish former.