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齿科垫底材料
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齿科垫底材料
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dental cavity base materials
齿科垫底材料
牙体缺损修复治疗中,用充填材料充填中等深度或深度牙齿窝洞之前,为了保护牙髓,在洞壁或洞底牙本质暴露的部位衬垫的一层有一定厚度、能够隔绝温度、化学电流及机械刺激的材料。同时也具有垫平洞底,形成充填洞型,承受充填压力和咀嚼力的作用。
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