Publication date: Available online 15 November 2018
Source: Journal of Cranio-Maxillofacial Surgery
Author(s): Thomas F. Putters, Gerry M. Raghoebar, Jenneke Klein-Nulend, Arjan Vissink, Jurjen Schortinghuis
Summary
Purpose
The aim of this study was to describe the surgical technique of immediate dental implant placement in calvarial grafs for augmentation of the severely resorbed maxilla and to assess the treatment results.
Methods
In 13 patients the maxilla was augmented with calvarial bone followed by simultaneous dental implant placement (total: 68 implants). In the frontal "knife edge" region, implants were inserted in the buccal plated area. In the maxillary sinus area, implants were inserted into alveolar bone that was plated buccally or palatally through the sinus window. After 4 months, the implants were retrieved and subsequently loaded. Per-operative and post-perative variables were scored. One bone biopsy sample was taken for histological analysis.
Results
The surgical procedure and wound healing was uneventful. During abutment connection after 4 months, all implants were fully osseointegrated with no signs of graft resorption. Radiographically, the mean (±SD) peri-implant bone loss after 1 year of functional loading was 0.23±0.44 mm. No implants were lost. Histological examination revealed vital calvarial and maxillary bone with active remodeling.
Conclusion
Immediate dental implant placement in calvarial bone grafts to rehabilitate severely resorbed maxilla is technically feasible and seems to have a high success rate.
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