Yi Seed Jia Ya structure , Fitness Yu mono- Load Body include a Inner crown, an outer crown and a corona part. Inner crown includes that the portions Guan Body Inner of Xiang Even and a Inner are preced with column portion to fixed Yu Load Body, Inner crown, and Inner, which is preced with column portion, has a groove. Outer crown includes the portions Wai Guan Body and a convex pillar part of Xiang Even, the portions Ke Fen From Tao Let Inner Guan Body of the portions Wai Guan Body, and the groove in convex pillar part Cha Let Inner hats column portion, to enable outer Guan Jian With Inner Guan Jian Knot close. Corona part coats the portions Wai Guan Body of outer crown.一種假牙結構,適用於一載體,包含一內冠件、一外冠件及一牙冠件。內冠件用以固定於載體,內冠件包含相連的一內冠體部及一內冠柱部,內冠柱部具有一凹槽。外冠件包含相連的一外冠體部及一凸柱部,外冠體部可分離的套設內冠體部,且凸柱部插設內冠柱部的凹槽,以令外冠件與內冠件結合。牙冠件包覆外冠件的外冠體部。10a‧‧‧假牙結構11a‧‧‧載體12a‧‧‧牙槽骨100a‧‧‧內冠件110a‧‧‧內冠體部120a‧‧‧內冠柱部200a‧‧‧外冠件210a‧‧‧外冠體部220a‧‧‧凸柱部300a‧‧‧牙冠件