: Often called "partial crowns," these cover the biting surface and extend over one or more cusps .

Inlays, onlays, and overlays are used to repair teeth that have moderate to extensive damage—often too large for a standard filling but not severe enough to require a full crown. These custom-made pieces are fabricated in a lab and then bonded to the tooth to restore its function and strength. Key Differences and Definitions

: The most extensive option, an overlay covers the entire biting surface , including all cusps and often part of the tooth's sides, but preserves the natural root and more structure than a full crown. Comparison of Restorative Options