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。
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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