Journal of Periodontology · 2018 · 51 citations · 24 references
The results of this study confirm that periodontal destruction and oral pathogens are associated with lung function.
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Gingival sulcus bleeding--a leading symptom in initial gingivitis.
H.R. Mühlemann, Seok Il Son · PubMed · 1971 · 1.1K citations
Indices for Prevalence and Incidence of Periodontal Disease
Sigurd P. Ramfjord · The Journal of Periodontology · 1959 · 1.1K citations · Full text