Abstract
The aim of the present study is to evaluate the effect of different times of 1.3% green tea extract (GTE) application on bond stability of and etch-and-rinse adhesive system to dentin. Thirty third molars will have the occlusal enamel removed to expose the superficial dentin. Fragments of dentin will be polished with water-proof abrasive papers (#400 and #600) and will be randomly divided…