The main 5 contributors were dental clothing followed by surface disinfection (isopropanol), disposable bib (paper and plastic), single-use stainless steel instruments and electricity use. This is the equivalent of a 30 km drive in a small car. ResultsĪn RCT procedure contributes 4.9 kg of carbon dioxide equivalent (CO2 eq) emissions. Environmental outputs included abiotic depletion, acidification, freshwater ecotoxicity/eutrophication, human toxicity, cancer/non cancer effects, ionizing radiation, global warming, marine eutrophication, ozone depletion, photochemical ozone formation and terrestrial eutrophication. Travel to and from the dental clinic was not included. All clinical elements of an endodontic treatment (RCT) were input into OpenLCA software using process and flows from the ecoinvent database. The LCA was conducted according to the International Organization of Standardization guidelines ISO 14040:2006. MethodologyĪn LCA was conducted to measure the life cycle of a standard/routine two-visit RCT. To analyse via life cycle analysis (LCA) the global resource use and environmental output of the endodontic procedure.
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