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.
摘要 [摘要]龈沟内的中性粒细胞是抵御牙周致病菌入侵的第一道防线。
Abstract : Abstract: Neutrophils in gingival crevice are the first line against invading periodontal pathogens.
使用含氟牙线不但能有效地控制牙齿邻面菌斑，减轻牙龈炎症，而且能明显抑制牙周致病菌。
These findings indicated that continuously using fluoride-coated dental floss could reduce the quantity of plaque, S% and effectively control gingival inflammation.
目的：探索未获培养微生物与牙周可疑致病菌的共生关系。
AIM:To find the symbiotic relationship existed between unculturable phylotypes & putative periodontal pathogens.
纵向观察得出：对于牙周正常的种植患者，1月到3月种植体周的致病菌增长最快，此时应重视种植体的清洁。
From the longitudinal observations: For periodontal healthy patients, pathogens grow fast from 1st month to 3rd month. So we should pay attention to the cleaning of the implants at this time.
口腔变形链球菌是龋病的主要致病菌，血链球菌为牙周有益菌。
Oral Streptococcus mutans is an etiologic agent of dental caries and Streptococcus sangius is in favor of periodontal tissues.
但牙周袋菌群一旦失调，密螺旋体会大肆繁殖并成为牙周疾病的主要致病菌。
However, once flora imbalance occurs in the periodontal pocket, oral treponema will reproduce rapidly and becomes the main pathogenic bacteria of periodontal disease.
目的 分析牙周源性牙周牙髓联合病变患牙根管内口腔常见可疑致病菌的检出情况。
Objective To investigate the prevalences of common suspected pathogens in root canals from combined periodontalendodontic lesions of periodontal origin.
目的 分析牙周源性牙周牙髓联合病变患牙根管内口腔常见可疑致病菌的检出情况。
Objective To investigate the prevalences of common suspected pathogens in root canals from combined periodontalendodontic lesions of periodontal origin.
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