Impact of oral hygiene on head and neck cancer risk in a Chinese population
- Kawakita, D.
- Lee, Y. -C. A.
- Li, Q.
- Chen, Y.
- Chen, C. -J.
- Hsu, W. -L.
- Lou, P. -J.
- Zhu, C.
- Pan, J.
- Shen, H.
- Ma, H.
- Cai, L.
- He, B.
- Wang, Y.
- Zhou, X.
- Ji, Q.
- Zhou, B.
- Wu, W.
- Ma, J.
- Boffetta, P.
- Zhang, Z. -F.
- Dai, M.
- Hashibe, M.
DOIAbstract
Background: Although the impact of oral hygiene on head and neck cancer risk has been investigated, few studies have been conducted among the Asian population. Methods: We conducted a multicenter case-control study to investigate this potential association. We performed unconditional multiple logistic regression models adjusted by potential confounders. Results: We observed an inverse association of frequency of dental visits with head and neck cancer risk, with an adjusted odds ratio (OR) of 3.70 (95% CI 2.51-5.45) for never dental visits compared with ≥1 time/year (Ptrend <.001). We also observed a positive association between the number of missing teeth and head and neck cancer risk, with an adjusted OR for ≥5 missing teeth compared with...
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