Internal Prosthetic Manual - BioHorizons
Internal Prosthetic Manual - BioHorizons
Internal Prosthetic Manual - BioHorizons
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BAR OVERDENTURE SCREW-RETAINEDLab 6 - Forming silicone putty matrixIndex the working model to allow for accurate repositioning of the labmatrix putty.Make a labial/occlusal matrix of the denture teeth in silicone putty torecord tooth position and labial borders of the prosthesis relative to theworking model.Lab 7 - Place abutmentsMount the desired burnout copings on the working model.Remove the teeth from the denture wax-up and place them into theirrespective locations in the silicon putty matrix. Lute them into positionwith sticky wax.Place the matrix with attached teeth onto the working model and useas a guide for modifying the copings and designing the bar within theconfines of the wax try-in.Lab 8 - Wax up barVerify attachment position, bar height and functional requirements.Design the overdenture bar using bar wax and/or a preformed pattern ofchoice, incorporating the copings within the bar pattern.Verify position of attachments with a surveyor and adjust as needed.shop online at www.biohorizons.com81