Evidence that healthy human gingiva contains functionally heterogeneous fibroblast subpopulations

Periodontal Disease in Pregnancy II. Correlation Between Oral Hygiene and Periodontal Condition

John Silness, Harald Löe · Acta Odontologica Scandinavica · 1964 · 7.9K citations · Full text

Dentistry, Periodontics, Periodontology +17

Periodontal Disease in Pregnancy I. Prevalence and Severity

Harald Löe, John Silness · Acta Odontologica Scandinavica · 1963 · 7.2K citations · Full text

Dentistry, Periodontics, Periodontology +13

The limited in vitro lifetime of human diploid cell strains

Leonard Hayflick · Experimental Cell Research · 1965 · 5.8K citations

Life Sciences, Cell Biology, Genetics +9

Use of a mixture of proteinase-free collagenases for the specific assay of radioactive collagen in the presence of other proteins

Beverly Peterkofsky, Robert F. Diegelmann · Biochemistry · 1971 · 1.4K citations

Life Sciences, Biochemistry, Clinical Biochemistry +7

Gingival sulcus bleeding--a leading symptom in initial gingivitis.

H.R. Mühlemann, Seok Il Son · PubMed · 1971 · 1.1K citations

Dentistry, Periodontics, Periodontology +12