英语语法分析

Millions of mesiodens can matter evacuate?

百万生齿能否紧要撤离？

To investigate the appropriate method of early diagnosis and accurate pre-operative 3-D orientation of maxillary embedded mesiodens by analyzing their growing pattern and radiographic manifestations.

分析上颌骨内埋伏正中多生牙的生长特征与影像学特点，探讨其早期诊断与术前三维定位的方法。