SSD demonstrated the external contours and entire morphologies of the teeth and the mandible with the relationship of the teeth alignment and the mandible.
SSD显示牙齿与颌骨的外部轮廓、整体形态以及牙齿排列与颌骨之间的关系。
The rack includes teeth continuously formed in a length direction of the rails and a flat alignment part disposed at a front side of the rack.
所述齿条包括沿所述轨道的长度方向连续形成的齿以及设置在所述齿条前侧的平面状调准部件。
Results: All impacted anterior maxillary teeth of the 16 cases were successfully moved into alignment with pulpal vitality , and no postoperative complications were found.
结果：16例上颌埋伏阻生前牙均顺利萌出至正常位置，牙髓活力测试正常。未见龈退缩、邻牙牙根吸收和支抗丧失等常见并发症。
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