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What is In case of onlay cast restoration, what does “ shoeing” refer to? and explain in detail?
Capping

It refers to the complete coverage of the cusp / cusps of a tooth with sufficient extension of the bevel onto the buccal and lingual surfaces of the tooth.

Shoeing

Refers to a veneer coverage of the cusp of a tooth with only slight finishing bevel on the crest of the cusp.
The bevel is established either at right angle to the long axis of the tooth or in a slight reverse direction.

MDS Prep Bytes (Cast Restoration – Onlay)