Reducting oversize-chin by mandibular body-chin inclined ostectomy;

First of all,external skeletal compression fixation for two ends of bone defect of tibia was made by a self-made“external fixer”secondly,closed fracture at the metaphysis was made by a self-made“needle saw”thirdly,the same“external fixer”was adopted to elongate the fractured bone.

Comparison of reduction osteotomy from different surgical approach in zygoma;

Pedicle subtraction osteotomy in the treatment of thoracolumbar kyphotic deformity;

Applied Anatomy on the Operative Approaches of Mandibular Osteotomy;

Long-term follow up of adult patients with developmental hip dysplasia treated by Chiari osteotomy;

Simulated comparing experiment for Borden osteotomy with modified Borden osteotomy;

Evaluation of Pemberton osteotomy for the treatment of developmental dysplasia of the hip in older children;