| 摘要 |
Set of motor-driven instruments to aid the fixing of dental implants that combines drills ( 1, 2 ) and motor-driven osteotomes ( 4 A, 4 B, 4 C, 4 D) of progressive diameters. These have a threaded conical section ( 9 ), followed by a threaded cylindrical section ( 8 ) and another area ( 7 ) to fit the connectors ( 14, 17 ) to the surgical motor or a manual extractor.
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