Specifications include, but are not limited to: are to include the fabrication of Full Metal Crowns; Porcelain to Metal Crowns; Upperand Lower Temporary (flipper) Partials; Upper and Lower Complete Dentures; Upper and Lower Cast MetalPartials; Hard and Soft relines; Denture repairs; Bruxing Appliances; Fixed and Removable Space Maintainers.Contractor Responsibilitiesare to include Pouring of Models (if necessary), Mounting and ArticulationModels, Custom Trays, Die Trim, Fabrication of Bite Rims, Setting and Finishing Full and Partial Dentures,Providing Custom Shading (if necessary).Materials:Contractor must indicate the type of plastic teeth used and identify the precious metal used forfixed prosthetics on each lab invoice. Contractor should provide a shade guide (or specification to obtain one)upon request.The use of toxic chemicals in the manufacture of prosthetics should be limited to the minimum and theirproper disposal must be ensured.