Fig. 2

Examples of evaluative learning materials. (A) The bonding process pertaining to “three-step Etch & Rinse adhesives” that is shown in the video involves a mix of correct and incorrect operational steps. Images B-L illustrate the step-by-step operation: (B) Selecting the etching agent; (C) Enamel and dentin etching; (D) Finishing the etching; (E) Rinsing and drying; (F) Selecting the three-step Etch & Rinse adhesives; (G) Applying primer; (H) Air drying; (I) Light curing; (J) Applying the adhesive; K. Air drying; L. Light curing. M. These tips provide a detailed explanation of the specific errors made in the incorrect steps