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ePaper created 2014-08-26, 21:44:32 | version 1.30.01
38 I I case report _ restoration of atrophied maxillae The separation gaps were reconnected intra- orally with PATTERN RESIN to ensure high pre- cision for the second impression (Impregum, 3M ESPE) by stiffening of the posts (open impres- sionwithcustomtray).Inthelaboratory,amaster cast with a gingival mask was fabricated and a tooth set-up prepared for aesthetic try-in (Fig. 21). _Prosthetics In the third prosthetic session, the wax try-in (aesthetic try-in) was carried out on the patient. The master cast, related antagonist bite impres- sion and tooth template were sent to the milling centre in Hasselt in Belgium for fabrication of the CAD/CAM framework (ATLANTIS ISUS, DENTSPLY Fig. 21_The master cast with a gingival mask and the tooth set-up in wax. Fig. 22_Bar try-in with teeth 11 and 23 extracted. Fig. 23_Tension-free fit of the bar before positioning of the final restoration. Fig. 24_Buccal view of the bar with “bolt eye” clearly identifiable. Fig. 25_Radiographic control after bar placement. Proper fit is easily recognised. CAD/CAM 3_2014 Fig. 24Fig. 23 Fig. 22Fig. 21 Fig. 25 CAD0314_34-39_Zastrow 22.08.14 14:29 Seite 5