Periodontitis and chronic obstructive pulmonary diseases have common risk factors, such as smoking, increasing age, obesity and low socioeconomic status. Some studies have shown a positive association between the diseases.
Different pathways for the association have been discussed and include circulating inflammation and aspiration of oral pathogens into the lungs.
Periodontal treatment and good oral hygiene are a benefit for all patients since it reduces the preventable burden of the systemic inflammation associated with periodontal disease.
Spiropoulou et al. 2019, Moghadam et al. 2017, Hobbins et al. 2017