| 摘要 |
A control box for both a scaler and an airpolisher wherein the abrasive flow to the airpolisher and the power to the scaler is controlled by a single control knob. Activation of the scaler or polisher handpiece is automatic upon lifting the selected handpiece from its bracket. The polisher portion of the unit includes an abrasive pickup system having a replaceable abrasive container. Air flow within the container is such that the abrasive empties substantially linearly with time.
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