[Clinical efficacy of carbarnide peroxide in-home tooth whitening for removal of stains caused by dental fluorosis].

Purpose: To evaluate the clinical efficacy of carbarnide peroxide in-home tooth whitening for removal of stains caused by dental fluorosis.

Methods: One hundred and eight teeth,from 24 patients with diffuse opacities on the enamel surfaces due to effects of dental fluorosis, were assigned into mild, medium and heavy groups, and treated with carbarnide peroxide in-home tooth whitening. Before, immediately after bleaching and one year later, CMYK shade guide was used to record the change of color.