title: [Clinical study of the food impaction of patients with periodontal disease--its frequency, classification and relation to clinical signs (author's transl)].
mesh_terms: D005260:Female; D005502:Food; D006801:Humans; D008297:Male; D010518:Periodontitis / Q000150:complications* / Q000473:pathology; D014070:Tooth / Q000473:pathology