Autogenous bone grafting of uncontained tibial bony defects was carried out in 18 patients during a cemented total knee arthroplasty. American Knee Society scores were used to compare the results of the grafted group with those of a control group of 132 total knee arthroplasty patients without a significant tibial bony defect. The patients were followed up for 10 years. There was a statistically significant difference in the mean knee scores of the 2 groups at the preoperative assessment. Postoperative results were comparable between the 2 groups, indicating a significant and similar improvement in the knee scores of the grafted and control groups. Autogenous bone grafting is an easy and reproducible method of dealing with uncontained tibial bony defects during a total knee arthroplasty.
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