Periodontal disease carries a measurable environmental cost

Dental Tribune International

Thu. 18 June 2026

save

DUBLIN, Ireland: A new life cycle assessment study has put figures to the environmental burden associated with periodontal disease, adding a sustainability dimension to the case for prevention. The researchers examined the environmental impact of home-based oral hygiene regimens and clinic-based periodontal treatment and identified the main contributors to the footprint of periodontal disease management.

Using a life cycle analysis of daily home hygiene practices and in-clinic dental care, the study assessed the environmental impact of maintaining periodontal health compared with managing different stages of periodontal disease. The findings showed that environmental impacts rose alongside disease severity across the categories assessed. Patients requiring clinical treatment for periodontal disease were modelled as having a considerably larger environmental footprint than those who maintained periodontal health through preventive care. The increase was driven largely by greater numbers of clinic visits and the associated patient and staff travel, energy consumption by dental practices, and use of clinical equipment and materials.

For the average patient, professionally delivered periodontal care was associated with an environmental impact that was approximately two to four times higher than that of preventive oral care carried out at home. The gap widened further in advanced periodontitis, where impacts reached up to ten times those associated with daily preventive routines.

The researchers also compared home care regimens using manual and electric toothbrushes and found no statistically significant difference between the two across the environmental impact categories assessed. Instead, consumer behaviour played a larger role in determining the environmental footprint of home oral care. Water use during toothbrushing emerged as one of the most important contributors, highlighting the potential value of simple behavioural changes such as turning off the tap while brushing.

The study gives measurable environmental weight to the clinical case for periodontal disease prevention. It shows that progression from preventive home care to repeated clinic-based treatment carries a substantial sustainability burden.

The findings are consistent with a recent narrative review on sustainability in periodontal care, which concluded that environmental impacts can be reduced through evidence-based practices, efficient clinical workflows and appropriate use of digital innovation without compromising standards of care. The researchers said the findings demonstrate the importance of viewing oral healthcare through a broader sustainability lens. The findings frame periodontal prevention not only as a clinical priority but also as part of a more sustainable model of dental care.

The article, titled “Quantifying the environmental impact potential from periodontal health to disease: Findings from a life cycle assessment study”, was published online in the September 2026 issue of the Journal of Dentistry. It was developed in collaboration with Procter & Gamble.