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塑胶是人医口腔颌面外科中制作义齿、基托、塑胶冠和金胶联合冠的主要材料,具有对组织无刺激性和一定牢固性的特点。上海齿科材料厂生产的塑胶有两种规
Plastic is the main material of artificial denture, base, plastic crown and gold glue combined crown made by human medicine in oral and maxillofacial surgery. It has the characteristics of non-irritation and certain firmness to the tissue. Shanghai Dental Materials Factory has two kinds of plastic production regulations