Task: Answer Verification
Input (English): Question: Do smoking and unstable hinge fractures cause delayed gap filling irrespective of early weight bearing after open wedge osteotomy?
Answer: This study shows that osteotomy gap filling after open wedge HTO is delayed in smokers and in patients in whom opening of the gap resulted in unstable lateral hinge fractures. Early full weight bearing did not have a significant effect on the gap filling rate.
Output (English): yes