![]() It is important to use the appropriate impression coping for the transfer technique employed. Hahn Tapered Implant Closed-Tray Impression Copings should not be used for digital impressions captured with an intraoral scanner. Do not use an open-tray retaining screw or guide pin with a closed-tray impression coping, as the dissimilar screw lengths will allow the coping to slide along the screw shaft in an unpredictable manner. AccessoriesĮach Hahn Tapered Implant Closed-Tray Impression Coping comes packaged with a closed-tray retaining screw. Using a closed-tray impression coping with an open tray will result in an unreliable transfer, as the lack of undercuts on the closed-tray coping do not impress a vertical stop for repositioning the coping without the surface of a closed tray. ![]() ![]() Each impression coping is specific to the restorative platform of the seated implant, as well as the transfer technique and desired emergence profile.Ĭlosed-tray impression copings are for use when employing an indirect transfer technique. Impression copings are precisely machined from titanium alloy and attached to the implant fixture by a titanium screw or guide pin. Hahn Tapered Implant Closed-Tray Impression Copings are prefabricated prosthetic components directly connected to endosseous dental implants for the purpose of capturing implant position in an elastomeric impression of the mandible or maxilla. Hahn Tapered Implant Closed-Tray Impression Copings are used to transmit the position, angulation, and connection feature orientation of seated implants when captured in an elastomeric impression.
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