The back of concha cartilage was fixed to the mastoid periost to decrease the cranioauricular angle.
将耳甲腔软骨缝合于乳突骨膜上，使耳廓和乳突的距离缩小。
2
Conclusion it is the effective treatment for patients of comminuted and depressed fractures of skulls with "bone Bridge" and "Periost Bridge" and fractured bones filled up.
结论“骨桥”，“骨膜桥”与碎骨填补是颅骨粉碎凹陷骨折有效治疗方法。
3
Conclusion The ultrastructure characteristics support that the origin of intracranial chondroma is brephic embryonic rest of osteoprogenitor cells in the basicranial periost.