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九、国内外瓷牙样品的比较和研究近年来,我国瓷牙生产和研究取得了很大成效,国内外技术发展交流日益频繁,对国外的瓷牙样品做了大量的收集工作。目前,对美国电氏泼来公司的“Naw—Hue”瓷牙,迈尔森公司的“Myerson”瓷牙和日本松风公司“Auteeth”瓷牙与国产“上齿”牌黄金钉瓷牙、合金钉瓷牙,JZ-81型白合金钉瓷牙样品进行了研究和比较,具体测试数据如下(见表1、2):
Nine, the comparison and study of porcelain samples at home and abroad In recent years, great achievements have been made in the production and research of porcelain tooth in China. The exchange of technical development both at home and abroad has been increasingly frequent, and a great deal of collection work has been done on porcelain samples from abroad. At present, the “Naw-Hue” porcelain teeth of Myeongpol Co., Ltd., the “Myerson” porcelain teeth of Myerson Co., Ltd. and the “Auteeth” Porcelain Tooth of China Songseo Co. and the domestic “Top Tooth” Alloy nail porcelain teeth, JZ-81 white alloy porcelain teeth samples were studied and compared, the specific test data are as follows (see Table 1, 2):