Effect of 1.5% Potassium Oxalate on the Control of Tooth Sensitivity and Color Change After Home Bleaching

- individuals aged 18 to 29 years of both sexes with chroma greater than A2 in the upper incisors and canines, in the Vita Classical color scale;

- absence of active caries lesions

- patients who had never undergone bleaching therapy;

- good oral hygiene and no hypersensitivity to tactile and evaporative stimuli through the Visual Analog Pain Scale;

- patients undergoing fixed orthodontic treatment;

- patients with darkened non-vital teeth and/or with extensive restorations in molars;

- presence of cracks or fractures;

- patients allergic to the product, with the presence of gastroesophageal disorders and with dentinal exposure in anterior and/or posterior teeth.