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Fig. 2 | BMC Musculoskeletal Disorders

Fig. 2

From: Performance of Tönnis triple osteotomy in older children with developmental dysplasia of the hip (DDH) assisted by a 3D printing navigation template

Fig. 2

Tönnis triple pelvic osteotomy and follow-up A Anterior pelvic radiograph. B Intraoperative 3D navigation template. C Intraoperative diagram of the rotating acetabulum after sciatic, pubic, and iliac osteotomy. The rotation direction and angle were restricted with a navigation template. D Pelvic plain radiograph 1 day after surgery. E Pelvic plain radiographs 2 years after surgery. F Gross functional appearance at the last postoperative follow-up

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