Rating: 4

Notes for Improvement: 

The line angles of the proximal box needs more defining, the axial wall needs to parallel with the contours of the external surface of the tooth. Take note of the long axis of the crown, the prep needs to be parallel with that as well. Please see below videos below:

Relevant Tutorials:

[s3mediastream]s3streamingvideo,Checking The Box Floor and Walls,7,0,0,Common-Mistakes+Checking_the_Box_Floor_Walls.mp4,,3600,,,internationaldentistcentral.com,top-left,,no,600,350,yes,bottom,,,,,no,no,no,internationaldentistcentral,0[/s3], [s3mediastream]s3streamingvideo,Creating A Flat Gingival Floor,10,0,0,Common-Mistakes+Creating_A_Flat_Gingival_Floor.mp4,,3600,,,internationaldentistcentral.com,top-left,,no,600,350,yes,bottom,,,,,no,no,no,internationaldentistcentral,0[/s3], [s3mediastream]s3streamingvideo,Defining A Lineangle In Proximal Box,12,0,0,Common-Mistakes+defining_a_lineangle_in_proximal_box.mp4,,3600,,,internationaldentistcentral.com,top-left,,no,600,350,yes,bottom,,,,,no,no,no,internationaldentistcentral,0[/s3], [s3mediastream]s3streamingvideo,90 Degree Exit Angle and Reverse S Curve,66,0,0,Common-Mistakes+ninety_degree_exitangle_and_reverse_s_curve.mp4,,3600,,,internationaldentistcentral.com,top-left,,no,600,350,yes,bottom,,,#666,,no,no,no,internationaldentistcentral,0[/s3], [s3mediastream]s3streamingvideo,330 Bur and Long Axis and Convergence,70,0,0,Common-Mistakes+330_bur_long_axis_and_convergence.mp4,,3600,,,internationaldentistcentral.com,top-left,,no,600,350,yes,bottom,,,#666,,no,no,no,internationaldentistcentral,0[/s3]