title: Role of marginal ridge relationships as an etiologic factor in periodontal disease.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D003728:Dental Calculus / Q000150:complications; D003773:Dental Plaque / Q000150:complications; D004846:Epithelial Attachment; D005260:Female; D005502:Food / Q000009:adverse effects; D005881:Gingiva / Q000033:anatomy & histology; D005888:Gingival Pocket / Q000150:complications; D006801:Humans; D008297:Male; D008875:Middle Aged; D010510:Periodontal Diseases / Q000209:etiology*; D010512:Periodontal Index; D014070:Tooth / Q000033:anatomy & histology*