What step is necessary in preparation for dentin bonding?

Question

Quizplus · Accepted Answer

In order to prepare for dentin bonding, it is necessary to both apply an etchant to the tooth surface and remove the smear layer. The etchant is used to create microscopic pores in the dentin, which allows the bonding agent to penetrate and form a strong bond. The smear layer, which is composed of debris and residual materials, must be removed to make sure the bonding agent is able to reach the dentin surface. Therefore, choices A and C are necessary steps in preparation for dentin bonding.

What Step Is Necessary in Preparation for Dentin Bonding