Attachment-retained restorations

LOCATOR ATTACHMENT-RETAINED OVERDENTUREConverting an existing denture with lab supportCLINICAL PROCEDUREConverting an existing denturewith lab supportMarkingFirmly attach the Locator Abutment Pick-up to eachLocator Abutment. The pick-up should have stablefriction retention.Mark the top of the pick-up using articulating paper,denture pencil, pressure-indicating paste, etc.ReamingPlace the existing denture over the Locator AbutmentPick-up and remove. A landmark will now be visibleon the denture.Use an acrylic laboratory burr to relieve the denturebase in the indicated areas. Ream enough roomto accommodate passive fit when seated over thepick-up.Impression-takingTake an impression using the existing denture asan impression tray with an elastomeric impressionmaterial. Remove the impression once the impressionmaterial has set.Verifying the impressionThe black processing inserts of the pick-ups shouldbe clearly visible within the impression. Make areline if needed.Send the impression to the laboratory forprocessing.14