Efecto del blanqueamiento casero que contiene diferentes espesantes sobre el color del esmalte dental bovino

The article aimed to evaluate the color changes of bovine tooth enamel bleached with 10% carbamide peroxide containing different thickeners: Carbopol, Natrosol, and Carboxymethylcellulose. The preparation of specimens was performed using a double-faced diamond disc to obtain 1mm-thick enamel specimens. Each sample was subjected to the staining process with black tea over six days and then immersed in artificial saliva to stabilize the color. The groups were divided and the bleaching protocol was started for 14 days (4h/day), using 10% carbamide peroxide (PC 10%) with Carbopol, and three bleaching agents manipulated in a pharmacy: PC 10% with Carbopol, Natrosol, and Carboxymethylcellulose. The evaluation of color stability was performed using a digital spectrophotometer (Vita EasyShade) after staining, as well as after the bleaching protocol. Statistical analysis was performed using the following tests: Kruskal Wallis and Mann Whitney (p