[BLACK AND GREEN DENTAL DEPOSITS. STUDIES ON THEIR RELATION TO THE MARGINAL PERIODONTIUM AND TO ORAL HYGIENE].
D000293:Adolescent; D002648:Child; D003741:Dental Deposits; D003773:Dental Plaque; D006801:Humans; D009055:Mouth / Q000382:microbiology*; D009909:Oral Health; D009910:Oral Hygiene; D010518:Periodontitis; D010519:Periodontium; D012572:School Health Services; D013557:Switzerland
ADOLESCENCE; CHILD; DENTAL DEPOSITS; DENTAL PLAQUE; MOUTH MICROORGANISMS; ORAL HEALTH; PERIODONTITIS; SCHOOL HEALTH; SWITZERLAND
SCHWARZE UND GRUENE ZAHNBELAEGE. UNTERSUCHUNGEN UEBER IHRE BEZIEHUNGEN ZUM MARGINALEN PARODONTIUM UND ZUR MUNDHYGIENE.