Tooth whitening is one of the most indicated aesthetic procedures in dentistry and there is evidence that it interferes with aspects of patients' quality of life. However, the sensitivity, associated with the post-procedure period, challenges clinicians and researchers. The use of topic desensitizing agents could be a alternative for the control of this adverse effects of bleaching agents. The objective of this randomized clinical study, therefore, is to evaluate the effect of glutaraldehyde-based desensitizing agent associated on tooth sensitivity and tooth color after bleaching with 35% hydrogen peroxide. 25 patients will be selected divided into two groups for a double-blind and split-mouth study. Among the results it is expected: that the use of glutaraldehyde desensitizing agent helps in the control of post-bleaching sensitivity, without harming the final color obtained of patients submitted to the proposed clinical protocol.
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Use of glutaraldehyde based material with or without low level laser therapy in tooth sensitivity during whitening protocol with 35 % hydrogen peroxide.
Timeframe: Patients will be evaluated during 21 days.
Use of glutaraldehyde based material with or without low level laser therapy in patient´s quality of life after whitening protocol with 35 % hydrogen peroxide.
Timeframe: 6 months