[Diagnosis of periodontal diseases--theory and practice].
D000293:Adolescent; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010510:Periodontal Diseases / Q000145:classification / Q000175:diagnosis*; D010512:Periodontal Index; D010518:Periodontitis / Q000175:diagnosis