dental debris
牙齿碎片
以上为机器翻译结果,长、整句建议使用 人工翻译 。
The bacteria live in the plaque that builds up around the base of teeth due to poor dental hygiene. Plaque is a gradual accumulation of food debris, saliva and minerals.
口腔卫生状态差时,食物残渣、唾液及矿物质逐渐堆积,在牙根部形成菌斑,细菌即在此增生。
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