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ePaper created 2018-02-16, 11:17:41 | version 1.38.0
maxilla restoration case report | Fig. 9 Fig. 10 Fig. 9: The zirconium dioxide frameworks prepared for veneering in the buccal area. Fig. 10: The ceramic build-up in the anterior region (IPS e.max Ceram). Veneering After conditioning of the framework parts to be veneered, a fluorescent liner (IPS e.max Ceram ZirLiner, Ivoclar Vivadent) was applied; this gave the restora- tion fluorescence from the depths in order to achieve light effects resembling that of the natural dentition. Non-fluorescent materials (e.g. pure zirconium diox- ide) appear dull and dark. Since the framework was already coloured, we opted for a clear liner. This addi- tionally enhanced the light transmission and con- tributed to the adhesion of the ceramic veneer to the zirconium dioxide. A classic ceramic veneering build-up was then carried out. We used a special indi- cator (Smile Line) to mix the ceramic powder in order to differentiate the individual materials better. The IPS e.max Ceram range includes Power materials, which provide an increased level of brightness, par- ticularly for translucent framework materials. In this case, we decided to use the Power materials. A further advantage of the IPS e.max Ceram material is its ex- cellent stability. The individual areas do not merge during the build-up of the ceramic veneer, allowing for the exact desired effects to be achieved. In order to achieve the correct shape, morphology and liveli- The ceramic materials (IPS e.max Ceram) for veneering the buccal areas: Cervical Transpa orange-pink with Special Incisal yellow 50 % and Transpa neutral 50 % and Power Dentin A2 Power Incisal I for greater brightness at the transition lines Transpa blue 50 % and Opal Effect 1 50 % Transpa orange-grey to create a contrast in the incisal areas Transpa orange-grey with Special Incisal yellow on the incisal edges Transpa neutral Transpa clear 50 % and Opal Effect 1 50 % Power Incisal 2 Fig. 11: Prepared for the second firing. Finely detailed adjustments in Fig. 11 the shape and morphology. CAD/CAM 4 2017 29