Percepções do paciente sobre duas técnicas de clareamento dental realizadas em consultório

Abstract

The aim of this study was to evaluate by a randomized controlled clinical trial the effect of in-office bleaching technique on the quality of life and the patients' perceptions regards the procedures performed. After screening, 40 participants were randomized and underwent to two sessions of in-office tooth bleaching using 35% hydrogen peroxide (HP) or 37% carbamide peroxide (CP). A questionnaire about oral health impact profile on quality of life – short form (OHIP-14) was applied before and thirty days after the ending of bleaching procedures. The patients also reported the aesthetic perception regarding his/her smile by an analog visual scale before and after the treatment. Patients` satisfaction questionnaire regarding the bleaching technique was also applied seven days after the last tooth bleaching session. Changes in the participants' perception about his/her smile and quality of life were calculated by subtracting the final values from the initial ones; and data were submitted to Student's t-test or Wilcoxon`s test (α = 0.05). Data from satisfaction within the techniques evaluated was analyzed by Wilcoxon (α = 0.05). Patients reported best results for color with HP and for sensitivity with CP. Using HP resulted in higher improvement on the satisfaction with the smile. The bleaching procedures affected the quality of life of patients, while the bleaching agents used affected different dimensions. In conclusion, the bleaching agent used during the in-office bleaching impacts in different ways the quality of life of patients and his/her perceptions about his/her smile.