Objective To evaluate the oral hygiene status and oral health care knowledge level of the pilots and compare with those of ground crew.
目的评价我军中南地区飞行人员的口腔卫生状况与口腔卫生保健知识水平。
To determine oral hygiene status, each participant underwent a comprehensive oral examination including an assessment of plaque accumulation and gingival inflammation, both indicators of oral hygiene.
为了判断口腔卫生的状态，每个受试者都要接受一个综合的口腔检查，检查包括两个可以反应口腔卫生的方面，即口腔内斑块的数量和是否存在牙龈炎症。
The oral hygiene, periodontal status and smoking habits of 432 males were surveyed in order to study the relationship between smoking and periodontal disease.
为研究吸烟与牙周病的关系，调查432名中老年男性的口腔卫生状况、牙周状况及吸烟习惯。
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