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Volume 8 , Issue 2
March/April 1993

Pages 167-172

Treatment of the Severely Resorbed Maxillae With Bone Graft and Titanium Implants: Histologic Review of Autopsy Specimens

Elisabeth Nyström, DDS/Karl-Erik Kahnberg, DDS, PhD/Tomas Albrektsson, MD, PhD

PMID: 8359872

One of a series of patients with extremely resorbed maxillae treated with bone grafts from the hip in combination with Brånemark self-tapping fixtures died in a car accident 4 months after implant surgery. Autopsy specimens from this patient were analyzed to evaluate the amount and extent of osseointegration after 4 months of healing. Histologic examination revealed that minimal bone was in direct contact with the titanium and the general pattern was that of soft tissue screw anchorage. There were no signs of sequestering of the transplanted bone. The connection between the nasal cavity and the sinus mucosa with respect to the transplants seemed to be without adverse reactions. The superior part of the transplant did show signs of newly formed bone. The grafted specimens showed indications of delayed bone response compared to the nongrafted situation. All implants were clinically stable as studied postmortem. (INT J ORAL MAXILLOFAC IMPLANTS 1993;8:167–172.)

Key words: bone transplant, implants, osseointegration

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