4种不同印模方法对硅橡胶印模颈缘精确度的临床评价
Journal of Practical Stomatology(2014)
Abstract
以94例上颌前牙区全瓷冠修复患者的148颗基牙的印模作研究对象,将患者随机分成4组,以3MESPE硅橡胶为印模材料,排龈后分别以一次法、二次刮除法、二次打磨法、二次薄膜法制取印模。比较印模颈缘精确度。4种印模方法均可制得合格的印模,二次打磨印模法制取印模效果好,易教易学。
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Key words
Vinyl polysiloxane,Impression,Shoulder
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