The Gingival Bleeding Index

The Gingival Index, the Plaque Index and the Retention Index Systems

Harald Löe · The Journal of Periodontology · 1967 · 3.7K citations

Dentistry, Periodontics, Periodontology +16

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

The oral hygiene index: a method for classifying oral hygiene status

John C. Greene, Jack R. Vermillion · The Journal of the American Dental Association · 1960 · 705 citations

Dentistry, Dental Hygiene, Oral Health Sciences +11

A System of Classification and Scoring for Prevalence Surveys of Periodontal Disease

A.L. Russell · Journal of Dental Research · 1956 · 696 citations

Dentistry, Periodontics, Periodontology +14

A Clinical System for Scoring a Patient’s Oral Hygiene Performance

John A. Lenox, Raymond A. Kopczyk · The Journal of the American Dental Association · 1973 · 132 citations

Dentistry, Dental Hygiene, Oral Health Sciences +13