1. Cephalometric analysis is a valuable tool in orthodontics for assessing craniofacial growth and development.
头颅测量分析是正畸学中评估颅面生长和发育的有价值工具。

2. The orthodontist used cephalometric measurements to evaluate the patient's facial structure before starting the treatment.
在开始治疗之前，正畸医生使用头颅测量来评估患者的面部结构。