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齿龈内阿米巴 (Ｅｎｔａｍｏｅｂａｇｉｎｇｉｖａｌｉｓ,Ｅ ｇ)是寄生于人体及许多哺乳动物口腔龈沟、牙垢的医学原虫。我们进行了动物实验 ,证明Ｅ ｇ是一种条件致病原虫 ,当宿主免疫力下降时 ,在口腔细菌协同作用下致使宿主产生牙周病〔1〕。由于Ｅ ｇ感染率高且具有致病性
Entamoebagingivalis (E g) is a protozoan parasitized in the oral gingival sulcus and tartar of many mammalian and human mammals. We conducted animal experiments to prove Eg is a conditional pathogenic protozoa, when the host immunity decreased, under the synergistic effect of oral bacteria cause the host to produce periodontal disease 〔1〕. Due to high infection rate of E g and pathogenic