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对201名18～25岁年轻男性共1005个口腔细菌样本进行放线共生放线杆菌的选择性培养,55名(占27％)的口腔内分离出该菌,9.5％的第一磨牙龈下菌斑样本,14％的颊粘膜表面样本,20％的舌背表面样本和20％的唾液样本为放线共生放线杆菌培养阳性。根据对每个研究对象的口腔检查情况,包括龋损、牙周探诊深度、探诊出血、菌斑和牙面,将研究对象分成3个组,A组86人,78.7±10.8％的部位牙周探诊深度为1～2mm;B组92人,57.44±12.6％的部位牙周探诊深度为1～2mm;A组和B组都没有超过4mm牙周袋,DMF-S值都较低22±13,C组的DMF-S值较高47.7±17.2,有5.9±5.2％的部位牙周袋深度大于或等于5mm,放线共生放线杆菌在C组的检出率为41％,然而在A组和B组的检出率分别为23％和27％。在各个
A total of 1005 oral bacteria samples from 201 young men aged from 18 to 25 years were used for selective culture of Actinobacillus actinomycetemcomitans. 55 (27%) oral bacteria were isolated from the oral cavity and 9.5% Plaque samples, 14% buccal mucosal surface samples, 20% tongue surface samples, and 20% saliva samples were positive for Actinobacillus actinomycetemcomitans. The subjects were divided into three groups according to oral examination conditions of each subject, including carious lesions, probing depth, probing bleeding, plaque and tooth surfaces. A group of 86 patients and 78.7 ± 10.8% of the sites The probing depth of periodontal exploration was 1 ~ 2mm. The probing depth of periodontal exploration was 92% in group B and 57.44 ± 12.6% in group B. The probing depth of periodontal exploration was 1 ~ 2mm in group B and no more than 4mm periodontal pocket in group A and group B, respectively 22 ± 13 in group C, 47.7 ± 17.2 in group C, and 5.9 ± 5.2% in group C. The detection rate of actinomycete in group C was 41% However, the detection rates in groups A and B were 23% and 27%, respectively. In each one