#5 PFM KS

Rating: 4

Notes for Improvement:

Relevant Tutorials:

Checking Shoulder Width

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,

Margin Needs To Follow The Gingiva

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,

Flaring the Shoulder Margin

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Winged PFMs

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{Supplies:34:value}

Comments

  1. kshabadu

    Hi Alyssa,
    The following instructions are given in the bench test manual sent by Indiana about margins. According to my understanding of this, I thought they were asking a transition from shoulder to chamfer ( in the last sentence). Does this mean they are not looking for a winged PFM?

    Margins: If the simulated gingival margin is recessed below the CEJ, prepare the margins
    to within 0.5 mm of the supra-gingival CEJ. The lingual margin for the porcelain-fused-to-
    metal crown should be prepared for a metal margin, 0.5 mm.

    The lingual margin on the porcelain-fused-to-metal crown preparation should be
    prepared to receive a metal margin. The transition from the facial shoulder to the lingual
    margin should begin to occur at the interproximal-buccal line angles.