| 摘要 |
A dental unit comprises at least one chair (1), a base (2), positioned next to the chair (1) and mounting a handpiece tray (3). The tray (3) is equipped with a plurality of operative or auxiliary handpieces (4) for dental operations of traditional conservative type and/or for implants. At least one of the handpieces (4a) is fitted with a drive unit (5) consisting of a brushless micromotor presenting a unit (6) for continuously controlling the speed of the brushless micromotor (5) according to parameters that depend on the type of application, that is, traditional, conservative type operations or implants. <IMAGE> |
