Cut and score

Your first scored prep comes after M1. Here is how it will read: three photos on the grid card, then the 5 checkpoints in this order.

1. Occlusal reduction 1.0–2.0 mm. A miss here: replay step 6, Read your score band by band
2. Axial taper ≤ 12° per wall. A miss here: replay step 2, Name the five surfaces of #30
3. Margin and line angles 0.5–1.5 mm. A miss here: replay step 4, Read the five checkpoints on a finished prep
4. Adjacent tooth No damage to the adjacent tooth. A miss here: replay step 1, Find tooth #30 and tooth #3
5. Putty clearance ≥ 1.0 mm. A miss here: replay step 5, Photograph the prep on the grid card