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ePaper created 2015-11-12, 17:51:56 | version 1.38.0
I industry report _ Digital Denture: Description of the procedure _The term ‘Digital Denture’ describes an integratedmanufacturingprocessforCAD/CAM- based complete denture prosthetics. The Digital Denture process was presented to the public for the first time at IDS 2015. Key elements of this process include innovative devices, software programmes and coordinated materials geared towards the needs of dental technicians and clinicians. Especially designed software pro- grammes streamline complex working steps, i.e. thesetupofdentureteeth.DigitalDentureresults in accurately fitting CAD/CAM denture bases and reduces the active working time required for accomplishing complete dentures. Digital Denture is a clearly structured process consisting of a well-defined number of working steps. The distinctive feature of this process is that users themselves can decide which parts of the process they want to accomplish digitally and which parts they want to perform conventionally. Below follows an illustrative description of the individual steps. _First step—Clinical The process begins in the dental practice with aninitialimpressionoftheoralcavity.Atthesame appointment,apreliminaryrecordofthepatient’s centric and vertical relationship is taken using a Centric Tray. This information forms the basis for the fabrication of customised impression trays with integrated bite plates. With the help of the preliminary bite registra- tion, the patient-specific occlusal plane can be determined at the first patient visit. For this pur- pose, a UTS CAD device is attached to the handle of the Centric Tray. Once placed in the oral cavity, thebasicbowisalignedtotheCamper’splane(CP) and the bipupillary line (BP) (Figs. 1 & 2). The position of the occlusal plane can be read from the BP and CP scales respectively. The clini- cian forwards these data, together with the initial impression and preliminary bite registration, to the dental technician. Fig. 1_Establishing the patient-specific relation of the temporary bite record to Camper’s plane (CP) using a UTS CAD. Fig. 2_Establishing the patient-specific relation of the temporary bite record to the bipupillary line (BP) using a UTS CAD. Digital Denture: Complete denture prosthetics for the 21st century A new CAD/CAM-based procedure has the potential to revolutionise the way complete dentures are manufactured Author_Ivoclar Vivadent 30 I CAD/CAM 4_2015 Fig. 1 Fig. 2 CAD0415_30-33_Ivoclar 06.11.15 12:01 Seite 1 CAD0415_30-33_Ivoclar 06.11.1512:01 Seite 1