Rating: 4

Notes for Improvement:
If you must polish though, the key is using light long strokes while holding the bur at correct angle and depth. For this to be possible your finger rest must be solid.

Relevant Tutorials:

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Determining Cavity Floor Depth

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Ideal Floor For Cavity Preparations

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Closed contacts

Axial wall should be parallel to outer surface with clean angle

Axial wall should be parallel to outer surface with clean angle

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