为提高填塞塑料量的准确性,1978年国内已有专著提及,即去蜡时取蜡型称量来计算牙托粉用量(下称称蜡法)。由于此法较难掌握,易出现误差等缺点。故笔者根据型腔容水量来计算牙托粉用量。经一年多临床应用,效果较称蜡法为优。现介绍如下。 To improve the accuracy of the amount of plastic packing, 1978 has been mentioned in the monograph, that wax to wax when weighing to calculate the amount of powdered dentin (hereinafter referred to as the wax method). As this method is more difficult to grasp, prone to errors and other shortcomings. Therefore, according to the volume of the cavity to calculate the amount of trays powder. After more than a year of clinical application, the effect is better than the wax method is excellent. Now introduced as follows.