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Zimmer internal hex advantage.The only hex abutment that truly locks into place.Compared to other internalhex connections.• Zimmer Dental abutments for internalhex implants have a tapered male hexthat frictionally engages the implant,resulting in zero degrees of rotationalmovement between the implant andabutment when tightened to therecommended torque of 30Ncm. 1Compared to traditional externalhex connections.• Zimmer Dental’s internal hexwith friction-fit abutments virtuallyeliminates rotation when componentsare fully seated. 1• In contrast, external hexes typicallyhave a rotational misfit of 3 to 10degrees between the implant andVirtualcold weldAbutmentImplant• Without the friction-fit hex combination,implants with internal engaginggeometries are just like an externalhex turned upside down, allowing formovement between components.abutment. 2• Screw loosening of external heximplant components is documentedup to 38% of all single-tooth, partiallyand fully edentulous cases. 3Figure A SEM at 50Xmagnification shows intimatecontact of the internal heximplant at both the beveledimplant/abutment interfaceand the hexagonalengagement area.• To overcome rotational problemswith their connections, competitorshave attempted various designmodifications, including strengtheningscrews, increasing clamping forces,and varying hex dimensions. OnlyZimmer Dental has an internal hexconnection that virtually eliminatesrotation by design.In the U.S., call your Zimmer DentalSales Consultant or Customer Serviceat 800 854 7019 to find out howZimmer friction-fit products canimprove your practice. Outside theU.S., please refer to the contactinformation located on the back ofthis brochure.Virtual coldweld at 150XmagnificationAbutmentImplantProudly offering one of the most comprehensive dental implant product lines available,Zimmer Dental is a market leader in the development of world-class implantologyproducts, practice-building strategies and educational programs focused on empoweringclinicians and improving patients’ lives.Figure B SEM at 150Xmagnification displays themechanical interlock in thehexagonal engagement areabetween the flats of theimplant and abutment.Intimate friction-fitRotation between the implant andabutment results in screw-jointloosening. Zimmer Dental’s friction-fitabutments virtually eliminate rotationwhen fully seated, minimizing costlyrepairs and repeat visits. ScanningElectron Micrographs reveal theintimate fit that results in a virtual“cold weld” of Zimmer Dentalcomponents (Figures A, B).