Keywords
Lasers
Dentin Hipersensitivity
Dentistry
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Abstract
Objective: To evaluate the usefulness of low power laser in the management of dental hypersensitivity after tooth bleaching. Literature review: Tooth whitening works through the application of chemical agents that oxidize the organic pigmentation of the teeth through the process of diffusion from enamel to dentin, producing unstable free radicals that give rise to the whitening effect and tooth hypersensitivity. In this context, the diagnosis of hypersensitivity after tooth whitening is made directly in view of the symptoms appearing during or shortly after the tooth whitening procedure, with laser photobiomodulation therapy being an alternative treatment for this problem, which may be associated with the use of dentin desensitizers, fluoride varnishes or application of local fluoride itself. Final considerations: Photobiomodulation, in the form of laser, can reduce tooth sensitivity caused during and after tooth whitening, even though there is no standardization of protocols by dental surgeons.
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