摘要
<正>可摘局部义齿是修复牙列缺损的常见方法,是利用义齿基托材料恢复缺损的牙槽嵴、颌骨及其周围的软组织形态,所以要求材料要有一定的力学强度且化学性能稳定、不易老化等特点。本课题通过在义齿基托材料中添加不同比例的纳米Ca CO3颗粒形成义齿基托复合材料,通过分光光度计法测定义齿基托复合材料的抗老化性,为临床的应用提供实验依据。1材料与方法1.1材料口腔义齿型盒、石膏、红蜡片、石蜡、纳米Ca CO3
引文
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