Surgery Which of the following graft is commonly used to replace defective mandibular condyles in children: A Costochondral graft. B Sternoclavicular graft. C Calvarial graft. D Metatarsal graft. 💡 Explanation Which of the following graft is commonly used to replace defective mandibular condyles in children: ✓ Correct Answer: A. Costochondral graft.