高位的

Objective To explore the correlation between processus mastoideus and petrous apex pneumatization and high jugular bulb.

目的探讨乳突及岩尖气化与颈静脉球高位间的相关性。

12 patients were treated with bonded RME appliance to expanse the maxillary arches and with vertical pull chincap to augment anchorage.

通过对 12 例患及内收切牙时应用牙夹板式矫治器及高位牵引的头帽颏兜加强。