牙周炎症越重的大鼠深牙周袋内越易定植呼吸道致病菌，且合并的肺感染更为严重。
The pathogenic have more tendency to exist in the deeper periodontal pocket with heavier periodontitis, and which can consolidate more terrible pneumonia.
结论局部应用2 5%甲硝唑牙科用凝胶辅助龈下刮治治疗深牙周袋，可获得较好的临床效果。
Conclusion Combination of topical application of a metronidazole 25% dental gel with subgingival scaling could be more effective in the treatment of deep periodontal pockets.
应用推荐