Rating: 6

Notes for Improvement:
You may use a hand instrument to smoothen the sharp angles of the outline form. The axial wall needs to follow the external surface of the tooth. The occlusal portion of the prep needs to have defined line angles and follows the long axis of the crown.

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,Axial Wall Parallel to Outer Surface with Clean Angle,40,0,0,Common-Mistakes+axial_wall_parallel_to_outer_surface_with_clean_angle.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]

[s3mediastream]s3streamingvideo,Premolar Dovetail Md Width,24,0,0,Common-Mistakes+Premolar_Dovetail_MD_Width.mp4,,3600,,,internationaldentistcentral.com,top-left,,no,600,350,yes,bottom,,,,,no,no,no,internationaldentistcentral,0[/s3]