牙过萌现象在口腔科临床工作中比较常见,给患者的治疗带来不少问题,引起了口腔医学界的重视,但其产生机理至今未能搞清.本文通过拔牙、调磨等方法使实验用小型猪的3个第一恒磨牙脱离(牙合)接触,经16周观察后发现,这3个牙均有较明显的(牙合)向移位,成功地建立了磨牙过萌的动物模型,为进一步研究牙过萌的机理打下了良好的基础. The phenomenon of dental sprouting is common in the clinical work of the department of dentistry, which brings many problems to the patient's treatment and arouses the attention of the oral medical profession, but its mechanism has so far failed to find out.In this paper, After three weeks of experiment, the first permanent molars in experimental mini-pigs were detached from each other. After 16 weeks of observation, all the three teeth showed obvious occlusal displacement and successfully established the molars Animal model, to further study the mechanism of tooth adolescent laid a good foundation.