Internal Prosthetic Manual - BioHorizons

MULTIPLE-UNIT CEMENT-RETAINEDLab 5 - Create wax frameworkCreate a wax framework for the bridge on the modified abutmentsfollowing routine crown & bridge procedures.Lab 6 - Sprue, invest and castSprue, invest and cast thebridge framework according toroutine laboratory procedures.A noble or high noble alloy isrecommended.Lab 7 - Finish castingDivest, fit and finish the cast framework following conventional laboratorytechniques.Care should be taken to insure a passive fit of the framework on themodified abutments. Send the working cast, the modified abutmentsand the framework to the clinician for a metal framework try-in. Thedentist should confirm the passive fit of the framework prior to theapplication of the veneering material.Send to Clinician• Metal framework• Modified abutments and screws• Working modelshop online at www.biohorizons.com66