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ePaper created 2017-12-06, 11:14:19 | version 1.38.0
| industry Fig. 14 Fig. 15 Fig. 16 Fig. 17 Fig. 14: Initial situation (CT scan): massive hard-tissue defects with blade and screw type implants in the maxilla. Fig. 15: Massively compromised sinus maxillaris on both sides. Fig. 16: Second surgical treatment after nine months with implants and connecting rail. Fig. 17: Milled rail with additional locators. Fig. 18: Long-term provisory denture. aged maxillary sinus (Fig. 15). This was done with CERASORB® Foam as a protective barrier. The re- sidual defect was filled and reconstructed with CERASORB® M granules and for further stabilisa- tion covered with an Epi-Guide® membrane. In the incisal area, three implants could be inserted. The reopening six months later was for insertion of four new implants. The removable, provisional pros- thetic construction was created six months later and based on a rail and locators (Figs. 16 & 17). Even if the initial wish of the patient for a fixed construction is not yet fulfilled, a more than satisfactory solution was created (Fig. 18). Summary After first hostility, biomimetic bone regeneration materials and bone substitutes are established by a continuous development and improvement. A vast scientific data base certifies the high potential espe- Fig. 18 32 implants 3 2017 cially of the pure phase β-tricalcium phosphates to regenerate host bone.4, 5 These materials are available in an unlimited amount and can avoid the morbidity of a donor bone site in most of the treatments. Especially the collagen matrix imbedded β-TCP CERASORB® Foam earns a significant importance due to its easy application, protection of the Schneiderian membrane in sinus floor elevations and the collagen providing fast transformation to vital bone, which is important for most of the augmentation indications. First, user observations and clinical studies are promising,6, 7 particularly the histological results of biopsies prove the high potential for bone regen- eration.8, 9_ This article was first published in DENT IMPLANTOL 20, 5, 302–309 (2016). contact Prof. Dr Dr Stefan Schermer Oral and Maxillofacial Surgery and Implantology, Berlin Clinic Leipziger Platz 3 10117 Berlin, Germany Tel.: +49 30 206796-210 chefarzt@berlin-klinik.de www.berlin-klinik.de Author details