The Periodontal Status of Boys 11 to 17 Years Old in Bombay, India

Indices for Prevalence and Incidence of Periodontal Disease

Sigurd P. Ramfjord · The Journal of Periodontology · 1959 · 1.1K citations · Full text

Dentistry, Periodontics, Periodontology +12

Incidence of clinical manifestations of periodontal disease in light of oral hygiene and calculus formation

Arne Lövdal, Arnulf Arno · The Journal of the American Dental Association · 1958 · 229 citations

Dentistry, Periodontics, Periodontology +17

Periodontal Disease: Prevalence and Incidence

C.D. Marshall‐Day, Russell G. Stephens, Lawrence F. Quigley · The Journal of Periodontology · 1955 · 225 citations

Dentistry, Periodontics, Periodontology +12

A Five Year Longitudinal Study of the Gingival Condition of a Group of Children in England

Gilbert J. Parfitt · The Journal of Periodontology · 1957 · 112 citations

Dentistry, Dental Public Health, Periodontology +14

Periodontal Disease in India: Report of an Epidemiological Study

John C. Greene · Journal of Dental Research · 1960 · 110 citations

Dentistry, Periodontics, Periodontology +14