Fachreihe PSI, DGParo, (PDF; 469 kB). Abgerufen am 23. Januar 2016.
doi.org
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nih.gov
ncbi.nlm.nih.gov
T. W. Cutress, J. Ainamo, J. Sardo-Infirri: The community periodontal index of treatment needs (CPITN) procedure for population groups and individuals. In: International dental journal. Band 37, Nummer 4, Dezember 1987, S. 222–233, ISSN0020-6539. PMID 3481626.
A. L. RUSSELL: A system of classification and scoring for prevalence surveys of periodontal disease. In: Journal of dental research. Band 35, Nummer 3, Juni 1956, S. 350–359, PMID 13332137.
S. P. Ramfjord: The Periodontal Disease Index (PDI). In: Journal of periodontology. Band 38, Nummer 6, 1967 Nov-Dec, S. Suppl:602–Suppl:610, doi:10.1902/jop.1967.38.6.602, PMID 5237683.
J. Ainamo, D. Barmes, G. Beagrie, T. Cutress, J. Martin, J. Sardo-Infirri: Development of the World Health Organization (WHO) community periodontal index of treatment needs (CPITN). In: International dental journal. Band 32, Nummer 3, September 1982, S. 281–291, PMID 6958657.
C. J. Charles, A. H. Charles: Periodontal screening and recording. In: Journal of the California Dental Association. Band 22, Nummer 2, Februar 1994, S. 43–46, ISSN1043-2256. PMID 7523617.
zdb-katalog.de
T. W. Cutress, J. Ainamo, J. Sardo-Infirri: The community periodontal index of treatment needs (CPITN) procedure for population groups and individuals. In: International dental journal. Band 37, Nummer 4, Dezember 1987, S. 222–233, ISSN0020-6539. PMID 3481626.
C. J. Charles, A. H. Charles: Periodontal screening and recording. In: Journal of the California Dental Association. Band 22, Nummer 2, Februar 1994, S. 43–46, ISSN1043-2256. PMID 7523617.