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.

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。

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Conclusion Mouth rinse using gargles before ultrasonic scaling can reduce the organism concentration in air of dental clinics.

结论超声洁治前用漱口液漱口可明显降低诊室空气中细菌数量。

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Objective To observe the effect of mouth rinse before ultrasonic scaling on microorganism concentration in air of dental clinics.

目的观察超声洁治前漱口对诊室空气细菌含量的影响。

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Your initial professional cleaning will include use of dental instruments to remove all traces of plaque and tartar a procedure known as scaling.

CNN: Gingivitis