Internal Prosthetic Manual - BioHorizons

BAR OVERDENTURE SCREW-RETAINEDLab 2 - Fabricating a stabilized baseplate / occlusal rim / verification jigAssemble the appropriate diameter analog to the Direct Pick-up Copingwith the coping screw. Pour stone model following conventionallaboratory techniques.Place the direct pick-up copings on the model with the long copingscrews.Place a sheet of light-curing baseplate material around the direct pick-upcopings. Contour the material around the copings and posterior alongthe edentulous arch. This will be used to stabilized the wax rim later.Light-cure the material.Helpful HintABT2-3mmDo not extend the acrylic base tothe bottom of the coping. Keepclearance between 2-3mm fromthe bottom of the coping.Create a wax occlusal rim on the stabilized baseplate with ridges toallow access to the screws. Only two screws in the first cuspid areas areneeded to secure the assembly to the model.Index the occlusal rim to stabilize bite registration material used in nextstep.Send to Clinician• Base plate/occlusal rim mountedon master castshop online at www.biohorizons.com79