Primary study · included by 1 review

Amalgam fillings, diagnostic dental x-rays and tumours of the brain and meninges.

Ryan 1992 · Ryan P, Lee M W, North B, et al. · European journal of cancer. Part B, Oral oncology · 1992

Included by

Non-Cochrane · aetiology · 2026 · cited as Ryan 1992 · Table 1; reference list; Fig. 4/Fig. 5

Outcome this study informs	Pooled effect	Evidence	Certainty
Central nervous system tumors Exposure to dental radiography (conventional dental X-rays) vs No dental X-ray exposure	OR 1.31 [0.89, 1.91]	9 studies · 28343 participants	Very low

1 including review in total.