Ozone is an important disinfecting agent. however its influence on enamel adhesion has not yet been clarified. Objective: Evaluate the influence of ozone pretreatment on the shear strength of an etch-and-rinse and a self-etch system to enamel and analyze the respective failure modes. Material and Methods: Sixty sound bovine incisors were used. https://safeersappliancers.shop/product-category/hotpoint-mwx-431-1x-microwave-oven-black-silver/