Changes in Serum C-Reactive Protein Following Nonsurgical Periodontal Therapy: A Systematic Review and Meta-Analysis.

Nonsurgical periodontal therapy reduced serum C-reactive protein by approximately 1.11 mg/L in uncontrolled studies, but controlled trial evidence was too limited to confirm this represents a genuine treatment effect rather than natural variation.

A plain-English summary of the study's own findings — we don't add our own claims or interpretation. Read the full paper for the complete methods and results, and apply your own clinical judgement.