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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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nearly independent particle system
nearly integrable system
nearly optimal
nearly parabolic comet
nearly parabolic orbit
nearly perfect code
nearly perfect crystal
nearly poised series
nearly reducible matrix
near-magic nucleus
near mapping
near-marine sediment geochemical survey
near miss
near-monochromatic radiation
near-natural wetland
near nature fiver engineering method
near neighbor
near neighbor problem
nearness
nearness product space
nearness space
near neutral stress corrosion
near noble number
near-normal distribution
near-pencil
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