objective to investigate the stability of upper molars with the application of micro-screw implant anchorage during orthodontic treatment.
目的应用微螺钉型种植体支抗内收上颌前牙过程中,观察上颌第一磨牙位置的变化,评价种植体支抗的疗效。
objective:to determine the relationship between the rate of anterior teeth root resorption and orthodonc-tic treatment applying microscrew implant anchorage or orthognathia surgery.
objective:the purpose of this study was to evaluate the application result of self-drilling miniscrew implant anchorage in orthodontic patient who involved in molar extraction and retention.
目的:探讨种植体支抗在涉及磨牙拔除和保留的正畸病例中的应用效果。
implant anchorage depressed the elongated opposed teeth to prepare enough space for the mandibular dentition. finally, a better dental implant prosthesis can be achieved.