| 摘要 |
<p>A method for preventing the dispersion of material released when treating teeth with a dental instrument, wherein coolant and optionally also air and/or binder are sprayed onto the tooth in the working direction from at least one delivery orifice in the tool, while simultaneously generating a suction effect through one or more openings disposed adjacent to or around the delivery orifices in the instrument. An arrangement for carrying out the method according to the invention, comprising a working implement (1), at least one conduit (3) for delivering coolant and air, a suction conduit (4) and optionally a separate conduit (2) for delivering a binding agent, wherein all of the conduits (2-4) are disposed in an integrated, common housing and open out into or adjacent the working implement (1).</p> |
