TY - JOUR A2 - Shibli, Jamil A. AU - Perelli, Michele AU - Abundo, Roberto AU - Corrente, Giuseppe AU - Saccone, Carlo AU - Arduino, Paolo G. PY - 2017 DA - 2017/12/181例随访4年SP - 7829179 VL - 2017 AB -拔牙后通常伴有骨复位。在上颌后牙区，这种重塑结合窦气作用和牙周缺损可能导致可用于种植的基底骨高度降低。窦底提升可采用不同的手术技术。嵴入路已被证明是有效的，微创的，并与降低发病率相关。这篇文章报道了一种改良的窦底提升方法，通过旋转，非切割工具，添加异种移植物和2个短螺纹种植体植入。这项研究的目的是评估种植体在4年功能负荷后的成功和鼻窦内骨增重。种植前牙起始基骨高度为6mm，磨牙起始基骨高度为2mm。在第一步手术中，近端窦底抬高并植入种植体，仅远端窦底抬高。6个月后，揭去近中种植体，植入第二种植体; 4 months later, the second fixture was uncovered, and both fixtures were loaded with single provisional screw-retained crowns and later with single screw-retained porcelain fused to metal crowns. Implants integrated successfully, and crestal bone remodelling did not exceed the smooth collar. Bone gain was 3 mm for the mesial implant and more than 5 mm for the distal one. SN - 2090-6447 UR - https://doi.org/10.1155/2017/7829179 DO - 10.1155/2017/7829179 JF - Case Reports in Dentistry PB - Hindawi KW - ER -