The Evaluation of the 15-item Food Frequency Questionnaire as a Screening Tool for Dietary Habits Contributing to Periodontal Disease.

Researchers tested whether a 15-item food frequency questionnaire could identify dietary patterns linked to periodontal inflammation and disease risk, finding inverse relationships between diet quality scores and bleeding on probing, and between diet quality and periodontal risk categories.

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.