Conclusion: After brackets bonding, regions that around and gingival to the bracket base are critical sites for plaque accumulation.
结论:托槽粘接后,托槽周边区域及龈方近牙颈部区域是菌斑聚集的主要区域。
The knowledge accumulation and the emotional mechanism are the base of the using of the seek-different thinking.
知识积累与情感机制是求异思维方式运用的基础。
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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