PERIODONTAL DISEASE IN PREGNANCY. I. PREVALENCE AND SEVERITY.

(1963). Periodontal Disease in Pregnancy I. Prevalence and Severity. Acta Odontologica Scandinavica: Vol. 21, No. 6, pp. 533-551.

[1]  E. Cheraskin,et al.  Periodontal status and pregnancy. , 1962, American journal of obstetrics and gynecology.

[2]  B. Orban,et al.  Gingivitis in pregnancy. , 1949, Oral surgery, oral medicine, and oral pathology.

[3]  D. E. Ziskin,et al.  Pregnancy gingivitis: History, classification, etiology , 1946 .

[4]  J. Waerhaug,et al.  Incidence of clinical manifestations of periodontal disease in light of oral hygiene and calculus formation. , 1958, Journal of the American Dental Association.

[5]  A.L. Russell,et al.  A System of Classification and Scoring for Prevalence Surveys of Periodontal Disease , 1956, Journal of dental research.

[6]  Sigurd P. Ramfjord,et al.  Indices for Prevalence and Incidence of Periodontal Disease , 1959 .