Periodontal treatment resulted in a significant improvement in PD status at 6 months as assessed by reduction of probing depth, but no difference in attachment levels, bleeding upon probing, or extent of subgingival calculus Periodontal treatment resulted in significant decrease of the odds of being in the high-risk (>3 mg/L) CRP group at 6 months, with obesity nullifying such effect. Here, CRP is linked to obesity disorder.