The role of smoking habits in periodontal health and disease: A cross-sectional study.

Researchers compared periodontal health between 242 smokers and 242 non-smokers, finding smokers showed faster periodontitis progression and stronger associations between smoking duration and disease severity, though initial diagnosis rates were similar.

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.