Table 1.

List of different types of cancer associated with periodontitis and possible associated periodontal pathogens.

Cancer type	Research	Possible associated periodontal pathogens
Oral cancer	Javed and Warnakulasuriya (2016); Shin et al. (2019)	P. gingivalis, F. nucleatum, T. forsythia, P. intermedia, C. gingivalis, P. melaninogenica, S.mitis (Nagy et al., 1998; Mager et al., 2005; Hu et al., 2016; Chang et al., 2019a)
Head and neck SCC	Tezal et al. (2009); Zeng et al. (2013)	P. gingivalis, F. nucleatum, Actinomyces (Mougeot et al., 2020; Metsäniitty et al., 2021)
Digestive tract cancer	Kim et al. (2019); Zhang et al. (2020)	T. denticola, P. intermedia, Rothia, Prevotella (Kato et al., 2016; Flemer et al., 2018; Yang et al., 2019)
Pancreatic cancer	Chang et al. (2016), Maisonneuve et al. (2017)	P. gingivalis, A. actinomycetemcomitans (Fan et al., 2018)
Prostate cancer	Lee et al. (2017a); Wei et al. (2020)	P. gingivalis, T. denticola (Estemalik et al., 2017) and so on
Lung cancer	Zeng et al. (2016); Wang et al. (2020)	P. intermedia, C. rectus, F. nucleatum, Capnocytophaga (Yan et al., 2015; Mai et al., 2016) and so on
Breast cancer	Sfreddo et al. (2017); Shi et al. (2018b)	F. nucleatum (Van der Merwe et al., 2021) and so on
Hematological cancer	Chung et al. (2016); Wu et al. (2020)	Rothia, Actinomyces (Mougeot et al., 2020) and so on
Non-hodgkin lymphoma	Bertrand et al. (2017); Wu et al. (2020)	Not mentioned