PDF(1227 KB)
PDF(1227 KB)
PDF(1227 KB)
咖啡与红茶对2种义齿基托材料的着色及4种义齿清洁剂的洁美效果
The staining effect of coffee and red tea to two kinds of denture base materials and the cleaning efficacy of four kinds of denture cleansers to the stains
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