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ePaper created 2018-02-16, 11:17:41 | version 1.38.0
digital workflow case report | Fig. 2 or restoration design are immediately transferred to the other software, providing instantaneous feedback on how the modification of one affects the other. Of special interest in regard to the Strau- mann PURE Ceramic Implant, is that one can de- sign the restoration and ensure that the planned position will not require modification for restora- tive materials. Once the planning was complete, both the surgical guide and the provisional de- signs were sent off for fabrication. The guide was sent to a lab to be printed by an Objet30 OrthoDesk (Stratasys) while the provisional file was sent to Straumann Milling Center in Arlington to be fab- ricated out of polycon ae (PMMA) (Figs. 3 & 4). During the surgical planning, utilising the DWOS Synergy workflow, a Straumann PURE Ceramic Implant (Ø 4.1 x 12 mm) was selected with an abutment height of 5.5 mm. Surgical procedure The Straumann PURE Ceramic Implant design is a combination of the tissue level and bone level implant —the neck of the implant mirrors the Straumann Tissue Level implant while the implant body mimics the Straumann Bone Level design (Fig. 5). As such, the surgical protocol for preparing the osteotomy for the PURE is the same as the corresponding Bone Level im- plant. For this case, a guide was used to prepare the osteotomy following the protocol set forth for Bone Level implants given by coDiagnostiX. Though this case was performed with Straumann Guided Surgery (SGS), a small flap was made to ensure the desired position of the Straumann PURE Ceramic Implant shoulder. SGS utilises different combinations of sleeve positions, drill lengths and drill handles to prepare the osteotomy to the correct depth. Sleeves can be placed Fig. 3 CAD/CAM 4 2017 17