聚苯乙烯泡沫板在义颌中的应用山东省临沂地区红十字会医院口腔科王振，吉芳在上颌骨缺损及牙槽嵴个别区域重度萎缩的总义齿修复中，为了减轻修复体的重量，增加固位，基托常做成中空式。以往的制作方法较繁琐。我们采用聚苯乙烯泡沫板（家用电器等内包装）代替中空部分，... Polystyrene foam board in the jaw in the application of the Red Cross Hospital of Linyi, Shandong Province Department of Stomatology Wang Zhen, Ji Fang in maxillary defects and alveolar ridge in a few areas of severe atrophy of the total denture repair, in order to reduce the weight of prosthesis , Increase retention, base often made hollow. Past production methods more complicated. We use polystyrene foam board (household appliances and other packaging) instead of the hollow part, ...