【摘要】 <正> 齿齦内阿米巴(Entamoeba gingivalis,下称E.g)是寄居人口腔里一种最常见的原虫,《人体寄生虫学》记载了它“寄生于齿间,齿龈化脓时多见,但并非本虫所致”。57～60年口腔科杂志刊登的2篇流行病学调查,及我们用电脑检索的国外80～82年的有关资料,均认为它与口腔疾病的关系没有肯定。Smith、Barretl、Bass、Johns等却认为牙周溢脓是本虫引起。为此,我们作些临床调查分析与治疗观察,对这个有分歧意见的问题进行初步探讨。更多还原

【Abstract】 Through our investigation,it was clarified that E. gingivalis inhabited in periodontal pocket of molar teeth, under the pericoronal gingival valve,and in the gingival sulcus,within the limits of such conditions as stable temperature and humidity,and anaerobic or facultative aerobic environment. The incidences of infection in different subjects were as follows: people with healthy mouths 6.01%, patients with gingivitis, periodontitis, and periodonitis,41.88, 63.63 and 57.89% respectively. Most of the subjects were those who paid more attention to oral hygiene, thus the incidence was lower than that reported in former articles. The incidence varied with the region where the material was taken and the method used. It is now known that the etiology of periodontitis is a mixed infection of anaerobes, but the authors of this paper demonstrated that E.gingivalis also lived in anaerobic circum stance.and the incidences of periodontitis and periodontal abscess were the highest,and metronidazole which could kill E.gingivalis,might.cure gingival hemorrhage,one of the main symptoms of periodontitis. The above,accounts indicated that E. gingivalis was closely related to periodontitis and might be the pathogenicity associated with the anaerobes.更多还原