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CAD/CAM - international magazine of digital dentistry

I 09 CE article_ Tempcap abutment I CAD/CAM 3_2014 achieved by using an E4D camera (Editorial note: PlanmecaE4DTechnologies)(Fig.7),inwhichsev- eralimageswerecapturedtocompileanaccurate image (Figs. 8 & 9). CAD design was used with E4D software(Editorialnote:PlanmecaE4DTechnolo- gies)todetermineanddelineatemargins(Fig.10). Tooth design was initiated incorporating sev- eral parameters: _ideal aesthetics and emergence profile (Fig.11); _adequate proximal contacts; _appropriate occlusal scheme; _material thickness requirements; _internal surface morphology to adapt to Tempcap; _design that can be milled via CAM technology. Numerous design iterations were required to achieve the desired design requirements (Figs. 12–14). IPS e.max was selected for milling (Fig. 15) and was executed by an E4D CAM unit (Editorialnote:PlanmecaE4DTechnologies)(Fig.16). Milling limitations, such as bur contact and pros- Fig. 15_IPS e.max CAD/CAD block (Ivoclar Vivadent). Fig. 16_E4D CAM unit (Editorial note: Planmeca E4D Technologies). Fig. 17_Milled IPS e.max restoration. Fig. 18_Ivoclar furnace. Fig. 19_Staining and glazing. Fig. 20_Facial aspect of final restoration. Fig. 20Fig. 19 Fig. 18Fig. 17 Fig. 16Fig. 15 CAD0314_06-11_Kalman 22.08.14 14:00 Seite 4

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