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目的分析新疆和田维吾尔族和汉族慢性牙周炎患者龈下菌斑中不同牙周致病菌的分布情况。方法选择慢性牙周炎患者124例,维吾尔族80例,汉族44例,采集龈下菌斑,用16sRNA PCR方法检测牙龈卟啉单胞菌、福赛坦氏菌和中间普氏菌的分布。结果新疆和田维吾尔族、汉族慢性牙周炎患者龈下菌斑中牙龈卟啉单胞菌、福赛坦氏菌和中间普氏菌的检出率分别为25.0%、60.0%、50.0%和43.2%、93.2%、52.3%,维吾尔族、汉族患者牙龈卟啉单胞菌、福赛坦氏菌的检出率差异具有统计学意义(P<0.05)。新疆和田不同性别慢性牙周炎患者龈下菌斑中3种可疑致病菌的检出率差异无统计学意义(P均>0.05)。结论新疆和田维吾尔族和汉族慢性牙周炎患者龈下菌斑中牙周致病菌的分布不同,但福赛坦氏菌在维、汉族慢性牙周炎患者龈下菌斑中均为优势菌。
Objective To analyze the distribution of different periodontal pathogens in subgingival plaque of Uigur and Han nationality patients with chronic periodontitis in Wada, Xinjiang. Methods A total of 124 patients with chronic periodontitis, 80 Uighurs and 44 Han patients were selected for subgingival plaque. The distribution of Porphyromonas gingivalis, P. fluorescens, and Prevotella pertussis was detected by 16sRNA PCR. Results The prevalences of Porphyromonas gingivalis, Fuschestaniella pneumophila and Prevotella pertussis in subgingival plaque in Uygur and Han nationality patients with chronic periodontitis in Wada, Xinjiang were 25.0%, 60.0%, 50.0% and 43.2% respectively %, 93.2%, 52.3% respectively. There was significant difference in the detection rate of Porphyromonas gingivalis and Futsal bacteria between Uygur and Han nationality patients (P <0.05). There was no significant difference in the detection rate of the three suspicious pathogens in subgingival plaque among patients with chronic periodontitis in Wada, Xinjiang (all P> 0.05). Conclusion The distribution of periodontal pathogens in subgingival plaque in Uygur and Han patients with chronic periodontitis is different in Wada, Xinjiang, but Fusobacterium is the predominant bacteria in subgingival plaque of patients with chronic periodontitis .