Periodontal conditions of essential hypertension attendees to a general hospital in Hong Kong.

Background: Periodontal infection may induce systemic vascular/endothelial dysfunction signifying a potential link between hypertension and periodontitis.

Methods: A convenience sample of 204 adults attending a university teaching hospital without (C: control) or with essential hypertension [EH; n = 102, duration (mean ± SD) 11.4 ± 6.