[Allen Ali Nasseh]

@Feymansouri: You’re right. I wasn’t clear about that. In general, Etch/Prime/Bond with the Liner is one step. It’s included in the material. However, like all self etching materials, this combination is an average of the ideal properties of each of those steps. Therefore, while it does provide some etching and bonding on its own, in situations where enamel etching or bond strength is paramount (longer term applications) the use of conventional etching and bonding prior to placement is recommended for the highest material to dentin-enamel bond. Hope his clarifies. 🙂