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目的:探讨口腔矫正器对错颌畸形患者口腔微生态环境的影响。方法:选取在我院口腔科进行口腔矫正器治疗的错颌畸形患者48例,分别在矫正治疗前、治疗后1个月、3个月、6个月对其口腔微生物进行培养,观察比较错颌畸形患者在矫正治疗前后口腔微生态环境的变化。结果:1矫正治疗后1个月口腔变形链球菌、乳酸杆菌的检出率分别为16.7%、9.3%,均高于矫正治疗前,且变形链球菌在矫正治疗前后的检出率差异有统计学意义(P<0.05)。矫正治疗后3个月、6个月口腔变形链球菌、乳酸杆菌的检出率均较矫正前明显升高,差异有统计学意义(P<0.05或P<0.01)。2矫正治疗后1个月牙龈卟啉单胞菌、伴放线杆菌、核酸杆菌的检出率分别为14.8%、13.0%和11.1%,均高于矫正治疗,且牙龈卟啉单胞菌、伴放线杆菌在矫正治疗前后的检出率差异有统计学意义(P<0.05)。矫正治疗后3个月、6个月牙龈卟啉单胞菌、伴放线杆菌、核酸杆菌的检出率均比矫正前明显升高,差异有统计学意义(P<0.05或P<0.01)。结论:矫正器的放置破坏口腔微生态环境的平衡,影响牙齿、牙周的健康,应引起临床重视,及早做好预防及干预治疗。
Objective: To investigate the effects of oral appliances on oral microenvironment in malocclusion patients. Methods: Forty eight patients with malocclusion were treated with oral appliances in our department. The oral microorganisms were cultured before treatment, 1 month, 3 months and 6 months after treatment, respectively. Changes of oral microflora in patients with maxillary deformity before and after orthodontic treatment. Results: The detection rates of Streptococcus mutans and Lactobacilli were 16.7% and 9.3% respectively at 1 month after orthodontic treatment, which were higher than those before orthodontic treatment, and there were statistically significant differences in the detection rate of Streptococcus mutans before and after orthodontic treatment Significance (P <0.05). The detection rates of Streptococcus mutans and Lactobacilli were significantly increased at 3 months and 6 months after correction treatment, with significant difference (P <0.05 or P <0.01). The positive rates of Porphyromonas gingivalis, Actinobacillus gingivalis, and Bacillus subtilis were 14.8%, 13.0% and 11.1% respectively at 1 month after orthodontic treatment, both of which were higher than that of orthodontic treatment, and Porphyromonas gingivalis, The detection rate of actinomycetes with actinomyces before and after correction was statistically significant (P <0.05). The detection rates of Porphyromonas gingivalis, Actinobacillus actinomycetemcomitans, and Bacillus subtilis at 3 months and 6 months after orthodontic treatment were significantly higher than those before correction (P <0.05 or P <0.01) . Conclusion: The placing of orthodontic device destroys the balance of microecological environment in oral cavity and affects the health of teeth and periodontal. It is necessary to pay attention to the clinical value and prevent as well as prevent and treat as soon as possible.