PMID: 11924404Jul 1, 1997Paper

Splitting and widening of a narrow jaw ridge in the edentulous maxilla

Nederlands tijdschrift voor tandheelkunde
F L de Wijs

Abstract

One of the most frequently occurring problems in oral implantology, especially in the maxilla, is the reduction of the alveolar ridge, caused by bone resorption in the edentulous and partly edentulous maxilla. A usually successful but clinically sometimes complicated way of solving this problem is the augmentation of the resorbed parts of residual ridges, particularly when autologous bone is being used. Implant placement usually follows in a later stage. The bone-splitting and bone-widening technique, on the other hand, is a more obvious method for the immediate placement of implants in those cases where the dimensions of the residual ridge are reduced by only some degree. When the resorption of the residual ridge is extreme, this method can eventually be combined with guided tissue regeneration. Crestosplit instruments are specially developed osteotomes for cleaving and widening the crest of the residual ridge, whilst, at the same time, compressing the cancellous bone. In applying this procedure, a bone preparation can be made with dimensions very close to the diameter of the implant to be placed, and without losing important bone-parts as in the case of drilling. Upon the completion of this procedure, only the last drill with...Continue Reading

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