OBJECTIVE: To investigate the influence of surface potentials of tooth hard tissue on its migration towards crown and supraeruption.
目的：研究牙硬组织表面电位与牙冠向萌出或过萌的关系。
2
For several hundred years, because the flames of war are unceasing, this tooth several pass through the shift, its sale price is also expected to rise along with a migration.
几百年来，由于战火不断，这颗牙几经转移，它的身价也随着一次次迁移而看涨。
3
Objective To study the mechanism of tooth mesial migration with animal experiment.