On the other hand, a substantial change was noted for the laser group between pretreatment and two weeks posttreatment.The microbial levels in all groups showed a trend of fluctuation over the next weeks after treatment, although there were no statistically significant differences ( P > 0.05) Table 3 and Fig. 1 .
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The efficacy of diode laser and subgingival air polishing with erythritol in treatment of periodontitis (clinical and microbiological study).
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