Fig. 1From: Pretreatment oral hygiene habits and survival of head and neck squamous cell carcinoma (HNSCC) patientsKaplan-Meier curves showing the differences in overall survival time between patients with good dental care/oral health (=blue) and poor dental care/oral health (= red). The difference in median survival time is 81 months for dental care (a) and 23 months for oral health (b)Back to article page