title: Nutritional survey of patients with moderate to severe periodontitis.
mesh_terms: D000328:Adult; D004032:Diet / Q000009:adverse effects*; D004034:Diet Surveys; D005247:Feeding Behavior; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009749:Nutrition Surveys; D010518:Periodontitis / Q000209:etiology*