Objective:To investigate the superiority by using highspeedairturbine drill in extraction of impacted mandibular teeth, especially in low mesioangular impaction and horizontal impaction.
目的：探讨高速涡轮机在辅助拔牙，特别是在下颌近中低位及水平位阻生牙的拔除中的优越性。
2
The test-bed utilizes commercially available micro stages, a high-speedairturbine spindle, and linear ultrasonic motors and PC-based control board.
该试验台采用了商品化的微型工作台、高速空气涡轮主轴、直线型超声电机和基于PC的控制卡。
3
This paper discusses different design methods of highspeedair-driven turbine with nozzles placing in tilt or flat on its side.