Attachment-retained restorations

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UNIABUTMENTAbutment-level impressionCLINICAL PROCEDUREReleasingRelease the Carrier manually by unscrewing it withthe Delivery Cap, or turn the Torque Wrench upsidedown and turn it counter-clockwise.Seating UniAbutment Pick-upSelect the appropriate Abutment Pick-up. Make surethe pick-up is in the correct position before tighteningthe abutment guide pins with the Hex Screwdriverusing light finger force.Impression-takingUse a standard or customized impression tray. Makean opening in the tray for the guide pins. Coverthe hole with wax. Make sure the guide pin canpenetrate the hole and wax without interfering withthe tray during impression-taking.Inject the elastomeric impression material around theabutment pick-up and into the impression tray andplace intraorally.32
UNIABUTMENTBar fabricationWorking modelPlace the UniAbutment Replica in theUniAbutment Pick-up. Check the impression forcorrect and stable retention of the abutment replicas.Tighten the replica into the impression tray.Fabricate a working model with the abutmentreplicas and high-quality stone material.LABORATORY PROCEDUREBar fabricationPlace the Semi-Burnout Cylinder on the replica andtighten it with a Laboratory Bridge Screw. The plasticpart of the cylinders are cut back to appropriatedimensions.CustomizingReduce the bar height, leaving a minimum of 2.5 mmto ensure a proper fit of the inserts.Note: Do not grind the retention surface of the bar.Attach the bar to the plastic sleeve with a materialthat has a low polymerization shrinkage.WaxingCover the plastic parts of the cylinders with a thinlayer of wax to get an accurate casting.33
Page 1 and 2: Attachment-retainedrestorationsClin
Page 3 and 4: ContentsClinical and laboratoryproc
Page 5 and 6: OVERDENTURE TREATMENTIntroductionIn
Page 7 and 8: OVERDENTURE TREATMENTAbutment selec
Page 9 and 10: LOCATOR ATTACHMENTLocator Core To
Page 11 and 12: LOCATOR ATTACHMENT-RETAINED OVERDE
Page 19 and 20: BALL ATTACHMENTComponents and instr
Page 21 and 22: BALL ATTACHMENT-RETAINED OVERDENTUR
Page 31: UNIABUTMENTInstallationAbutment sel
Page 35 and 36: UNIABUTMENTBar fabricationInserting
Page 37 and 38: CLEANING AND STERILIZATION PROCEDUR
Page 40: Astra Tech BioManagement Complex A

Attachment-retained restorations

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