Completely transparent anatomical model of the mandible, clearly shows the arrangementofteeth.
完全透明的下颌骨，清楚展示了牙齿的排列情况。
2
Shows the crowded teeth, anti-jaw, protrusion, jaw opening and other anomalies. Free arrangementofteeth.
展示了牙齿拥挤、反颌、前突、开颌等异常情况。牙齿可以自由排列。
3
Through the analysis ofarrangement style of cutting teethof shearer roller, so that the further explanation of arrangement design of cutting roller as working machine of shearer can be made.