title: [Required conditions for controlled clinical trials in cases of periodontal diseases].
mesh_terms: D000539:Alveolar Process / Q000473:pathology; D000818:Animals; D002986:Clinical Trials as Topic; D003728:Dental Calculus / Q000150:complications; D003773:Dental Plaque / Q000150:complications; D003951:Diagnostic Errors; D004846:Epithelial Attachment / Q000473:pathology; D005069:Evaluation Studies as Topic; D005891:Gingivitis / Q000473:pathology; D006801:Humans; D007258:Informed Consent; D010510:Periodontal Diseases / Q000000981:diagnostic imaging / Q000209:etiology / Q000473:pathology / Q000517:prevention & control / Q000628:therapy*; D011859:Radiography; D012107:Research Design; D013997:Time Factors; D014070:Tooth / Q000473:pathology; D014086:Tooth Mobility / Q000473:pathology
vernacular_title: Conditions requises pour les essais cliniques control és dans les cas de maladies du parodonte.