Inlays and Onlays are forms of indirect restoration used when a molar or premolar is too damaged to support a basic filling, but not so severely that it needs a crown.
This video is about Ceramic Onlay Part 1 (Clean-out) - Part 2 will cover the MOD Ceramic Onlay Preparation, Part 3 will show the MO Ceramic Inlay preparation and Part 4 will demonstrate the adhesive delivery of ceramic restorations of lithium disilicate.