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本研究论述了两种种植体，即美国生产的Ｃｏｒｅ－Ｖｅｎｔ核孔型及瑞士生产的ＩＴＩ螺旋型种植体的结构特点和临床应用情况。其中使用Ｃｏｒｅ－Ｖｅｎｔ核孔型２４枚，ＩＴＩ螺旋型植体２６枚，经追综观查（２～６个月）显示近期成功率为９７．２％。文中阐述了选择植体的标准及操作要领，讨论了两种植体具备的特点，应用前需注意的问题及如何提高成功率。作者通过以上两种二段式植体的应用对比分析认为两型植体均有良好的临床效果，值得推广。
This study discusses the structural features and clinical applications of two implants, Core-Vent Core Type from the United States and Swiss-made ITI Spiral Implants. Among them, 24 Core-Vent nuclear type and 26 ITI spiral implants were used, which showed that the recent success rate was 97.2% after investigation (2 ~ 6 months). In the paper, the standard and operation essentials of selecting implants are expounded. The characteristics of the two implants, the problems to be noticed before application and how to improve the success rate are discussed. By comparing the above two kinds of two-stage implants, the author thinks that both types of implants have good clinical effects and are worthy of popularization.