...的无糖葡萄干含有齐墩果酸（oleanolic acid），这种成分可以预防口腔内变异性链球菌和牙周炎致病菌（Porphyromonas gingivalis）的滋长，因此对蛀牙和牙周病的预防或许都有帮助。
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体外抑菌实验证实试验药可杀灭或抑制多种与口咽、颌面部感染、牙龈炎、牙周炎、龋齿等有关的可疑致病菌。
Antimicrobial tests in vitro confirmed that the test agent could kill or inhibit growth of the pathogenic bacteria involving with oropharyngeal infection, gingivitis, periodontal diseases and caries.
摘要 牙周炎是由牙周致病菌所致的牙周组织慢性炎症性，破坏性疾病。
Abstract : Periodontitis is a chronic inflammatory and destruction disease caused by periodontal pathogens in the surrounding periodontal tissues.
牙周炎症越重的大鼠深牙周袋内越易定植呼吸道致病菌，且合并的肺感染更为严重。
The pathogenic have more tendency to exist in the deeper periodontal pocket with heavier periodontitis, and which can consolidate more terrible pneumonia.
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