Primary study · included by 1 review

Dentition, oral hygiene, and risk of oral cancer: a case-control study in Beijing, People's Republic of China

Zheng 1990 · Zheng Tongzhang, Boyle Peter, Hu Huanfang, et al. · Cancer Causes and Control · 1990

Trial PICO

Not extracted yet. Trial-level population, intervention, comparator, outcomes and design will appear here after the trial extraction run. Until then, the reviews below describe the study.

Results

Not extracted yet. Per-trial results (events, means, effect and weight as each review's forest plot reports them) will appear here after the trial extraction run.

Included by

Periodontitis and the risk of oral cancer: a meta-analysis of case-control studies.

Non-Cochrane · aetiology · 2024 · cited as Zheng 1990 · Table 1; Reference 36 (Cancer Causes Control 1990;1:235-41)

The review does not say which of its outcomes this study informs.

1 including review in total.