Abstract
The aim of this study is to evaluate the effect of Bromelain and Propolis extract, on the bond strength (BS) of the adhesive to artificially eroded dentin. For that, sound human molar teeth will be selected, which the roots will be embedded in acrylic resin in PVC tubes with the occlusal surfaces parallel to the horizontal plan. The occlusal surfaces will be flattened. Each teeth will hav…