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齿龈上、下的菌斑为幽门螺杆菌(HP)的生存提供了所需的、理想的微量需氧环境。有关由口腔藏匿的HP导致胃再感染的研究报告相互矛盾。作者的目的就是研究菌斑及胃粘液中藏匿HP的可能性。 材料和方法 收集有牙患者上、下齿龈磨牙或前磨牙近侧间隙的菌斑81例,收集无牙患者假牙组织面菌斑41例,用标准胃镜软刷收集上述122例胃体及胃窦粘膜中的胃粘液,将等量菌斑及胃粘液分散到5ml的生理盐水(作培养)及5ml的改良尿素肉汤中(检查尿素酶活性)。对每例菌斑及胃粘液配对标本离心,并分别接种到非选择性10％的马琼脂培养基及选择性
The upper and lower gingival plaques provide the desired, ideal micro-aerobic environment for the survival of H. pylori (HP). Research reports on re-infection of the stomach caused by stained HP in the mouth are contradictory. The author's goal is to study the possibility of hiding HP in plaque and gastric mucus. Materials and Methods 81 cases of plaque collected from the upper and lower gingival molar or premolar of the patient were collected. 41 cases of dental plaque were collected from toothless patients. The above 122 cases of gastric body and gastric antrum Mucosal gastric mucus, the same amount of plaque and gastric mucus were dispersed in 5ml of saline (for culture) and 5ml of modified urea broth (check urease activity). Each plaque and gastric mucus paired samples were centrifuged, and were inoculated to non-selective 10% horse agar medium and selectivity