Abstract
A significant amount of dentistry's carbon emissions originate from travel (64.5%). Dental-associated travel affects air quality, releasing over 443 tonnes of nitrogen oxides (NOx) and 22 tonnes of particulate matter (PM2.5) annually. This reduction in air quality reduces over 325 quality-adjusted life years (QALY) per year. Wider health impacts associated with noise and traffic incidents doubles the impact on health in QALYs. Dental procedures that require shorter appointment times have disproportionately higher emissions due to patient travel. The dental team can reduce appointment times by combining visits for family members or combining operative procedures, or reducing appointment frequency based on patient risk. Community oral health programmes and preventive programmes reduce travel emissions. The number of physical dental appointments can be reduced using information technology such as global positioning systems (GPS), telemedicine and teleconferencing. The mode of travel is important, with the air and carbon emissions generated by active travel negligent compared to a private car. Travel plans can help encourage active travel, as can flexible working hours, cycle to work schemes, cycle racks and shower facilities. Practices should consider purchasing locally sourced or sustainably transported goods and, ideally, use local dental laboratories.
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Duane, B., Steinbach, I., Ramasubbu, D. et al. Environmental sustainability and travel within the dental practice. Br Dent J 226, 525–530 (2019). https://doi.org/10.1038/s41415-019-0115-z
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