Inlays

Inlays are indirect fillings pre-made in a dental lab and must be permanently cemented by a dentist. Fillings are different from indirect fillings in that they are soft to begin with and set in the mouth. As opposed to an onlay (the other type of indirect filling) which sits on the tooth and builds up its shape inlays fit into the space left after ...
Found on http://www.dentalfind.com/info/inlays

inlays

Restorations of metal, porcelain, or plastic made to fit a cavity preparation, then cemented into the tooth. Onlays are restorations which fit into cavity preparations and overlay the occlusal surface of a tooth or teeth. Onlays are retained by frictional or mechanical factors. ... (12 Dec 1998) ...
Found on http://www.encyclo.co.uk/local/20973
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