Primary study · included by 2 reviews

An exploration of shared genetic risk factors between periodontal disease and cancers: a prospective co-twin study.

Arora M 2010 · Arora Manish, Weuve Jennifer, Fall Katja, et al. · American journal of epidemiology · 2010

Included by

Associations of oral health with colorectal cancer risk: accumulated evidences from observational studies.

Non-Cochrane · aetiology · 2026 · cited as Arora 2010 · Table 1; References 11, 18-31

Outcome this study informs	Pooled effect	Evidence	Certainty
Colorectal cancer risk Periodontitis vs No periodontitis	HR 1.22 [1.03, 1.44]	7 studies	GRADE not reported
Colorectal cancer risk Periodontitis vs No periodontitis	HR 1.25 [1.04, 1.50]	10 studies	GRADE not reported
Colorectal cancer risk Periodontitis vs No periodontitis	HR 1.22 [1.01, 1.47]	10 studies	GRADE not reported
Colorectal cancer risk Periodontitis vs No periodontitis	HR 1.39 [1.01, 1.90]	3 studies	GRADE not reported
Colorectal cancer risk Periodontitis vs No periodontitis	HR 1.16 [0.94, 1.42]	3 studies	GRADE not reported
Colorectal cancer risk Periodontitis vs No periodontitis	HR 1.26 [1.02, 1.57]	10 studies	GRADE not reported
Colorectal cancer risk Periodontitis vs No periodontitis	HR 1.12 [0.91, 1.38]	5 studies	GRADE not reported
Colorectal cancer risk Periodontitis vs No periodontitis	HR 1.22 [1.01, 1.47]	10 studies	GRADE not reported
Colorectal cancer risk Periodontitis vs No periodontitis	HR 1.22 [1.02, 1.47]	10 studies	GRADE not reported
Colorectal cancer risk Periodontitis vs No periodontitis	HR 0.99 [0.74, 1.33]	2 studies	GRADE not reported
Colorectal cancer risk Periodontitis vs No periodontitis	HR 1.07 [0.91, 1.25]	7 studies	GRADE not reported
Colorectal cancer risk Periodontitis vs No periodontitis	HR 0.96 [0.84, 1.09]	4 studies	GRADE not reported
Colorectal cancer risk Periodontitis vs No periodontitis	HR 1.24 [1.04, 1.48]	11 studies	GRADE not reported
Colorectal cancer risk Periodontitis vs No periodontitis	HR 1.64 [1.50, 1.79]	2 studies	GRADE not reported
Colorectal cancer risk Periodontitis vs No periodontitis	HR 1.21 [1.00, 1.45]	10 studies	GRADE not reported
Colorectal cancer risk Periodontitis vs No periodontitis	HR 1.14 [1.01, 1.29]	10 studies	GRADE not reported
Colorectal cancer risk Periodontitis vs No periodontitis	HR 1.29 [1.08, 1.55]	10 studies	GRADE not reported
Colorectal cancer risk Periodontitis vs No periodontitis	HR 1.28 [1.06, 1.55]	10 studies	GRADE not reported
Colorectal cancer risk Periodontitis vs No periodontitis	HR 1.22 [0.84, 1.79]	4 studies	GRADE not reported
Colorectal cancer risk Periodontitis vs No periodontitis	HR 1.62 [1.49, 1.76]	5 studies	GRADE not reported
Colorectal cancer risk Periodontitis vs No periodontitis	HR 1.23 [1.03, 1.47]	10 studies	GRADE not reported
Colorectal cancer risk Periodontitis vs No periodontitis	HR 1.14 [1.04, 1.25]	4 studies	GRADE not reported
Colorectal cancer risk Periodontitis vs No periodontitis	HR 1.26 [1.05, 1.53]	10 studies	GRADE not reported

Risk of cancer in periodontal disease: an umbrella review of meta-analyses.

Non-Cochrane · aetiology · 2026 · cited as Arora 2010 · Results, Overlap assessment (primary studies added in the author's own meta-analysis; references 32-34, 39-47)

Also linked to PM42500648-P18-O1, which does not match a current question in this review.

2 including reviews in total.