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ePaper created 2014-12-05, 15:38:45 | version 1.33.01
_Dental implantology is currently one of the most important treatment strategies for the replacement of missing teeth. The aim is to achieve a functionally stable, long-last- ing implant, with an aesthetic outcome. Due to the reduced mechanical challenge, tooth loss induces progressive bone tissue atrophy. Thus,itisoftennecessarytoreconstructalve- olar ridges before implants can be inserted. _Autografts For three-dimensional (3-D) augmenta- tions in cases of extensively atrophic ridges, onlay block grafting is the method of choice. Autologous bone is still considered the gold standard in block grafting. However, the in- traoral availability of autologous bone for transplantation is limited. Therefore, bone harvesting from the iliac crest is required in cases of large defects. Tissue harvesting, however, involves a second surgical site that is frequently asso- ciated with potential donor site morbidity and increased risk of pain. Furthermore, the harvestingofbonefromtheiliaccrestisoften I industry report _ bonebuilder technology Figs. 1 & 2_maxgraft bonebuilder —from the CAD/CAM-based 3-D design to the customised allogenic bone implant. Figs. 3–6_Conversion of a CT/CBCT scan into a 3-D model. Digitally planned implants can be transferred into the planning software and the customised bone block can be designed according 18 I cone beam4_2014 Paving the way for a patient-friendly, minimally invasive approach in alveolar ridge augmentation Author_Dr Yasmin Buchaeckert, Germany Fig. 6Fig. 5 Fig. 4Fig. 3 Fig. 1 Fig. 2 CBE0414_18-21_Buchaeckert 28.11.14 11:36 Seite 1 CBE0414_18-21_Buchaeckert 28.11.1411:36 Seite 1