Danilo Barral de Araújo et al.
Indian journal of dental research : official publication of Indian Society for Dental Research, 22(6), 770-776 (2012-04-10)
The tooth whitening substances for extrinsic use that are available in Brazil contain hydrogen peroxide or carbamide peroxide. Several studies have attributed the appearance of lesions in the enamel morphology, including hypersensitivity, to these substances. Such lesions justify fluoride therapy