| 摘要 |
<p>The drive unit (10) has a clutch (16) which is provided for releasably fastening the handpiece (11). A detection unit (14) is provided for detecting marking information of marker (13) at handpiece for deriving maximum rotational speed for the drive unit. Independent claims are included for the following: (1) dental handpiece; (2) dental system; and (3) method for determining of maximum rotational speed of drive unit.</p> |
