Research

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Issue: 04/2013 - M. Korsch - W. Walther - A. Bartols
Bone block grafting at a distance from the alveolar ridge for the threedimensional reconstruction in cases of severe lateral and vertical bone atrophy

Aim: This case report explains the implantological procedure for the treatment of severe lateral and vertical bone atrophy of an interdental edentulous ridge segment in the maxilla. The indication of using a special bone block grafting technique for the threedimensional reconstruction of the alveolar ridge is described.

Summary: In the case presented here, the first upper left molar had to be extracted in 2010 due to an abscess in connection with a vertical root fracture. In 2011 the alveolar ridge was reconstructed by bone block grafts harvested from the retromolar region. The bone block grafts were fixed orally and facially at a distance from the alveolar ridge by means of osteosynthesis screws. The space created between the 2 block grafts was filled up with particulate autogenous bone and bone substitute material. Three and a half months after augmentation, 2 Astra Osseo Speed implants were inserted.

Citation:

Korsch M, Walther W, Bartols A: Bone block grafting at a distance from the alveolar ridge for the threedimensional reconstruction in cases of severe lateral and vertical bone atrophy. Z Zahnärztl Implantol 2013;29:321?329

DOI 10.3238/ZZI.2013.0321?0329

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Issue: 03/2013 - F. M. Maier
Reconstruction of a severely atrophic maxilla by extensive augmentation and Guided Surgery

Extensive augmentations enable the surgeon to build up the basis for fixed implant supported restorations even in cases with large bony defects due to periodontal disease. A less invasive alternative to grafting bone from the iliac crest involves augmentation with allogenic donor bone. The three-dimensional augmentation and implant planning based on CBCT data is an important aid in total reconstructions. Guided surgery allows not only a more gentle approach, but especially exact prosthetic positioning of the implants.

Citation:

Maier FM: Reconstruction of a severely atrophic maxilla by extensive augmentation and Guided Surgery. Z Zahnärztl Implantol 2013;29:230–242

DOI 10.3238/ZZI.2013.0230–0242

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