Skip to main content

Table 3 Inventory data used for the life cycle inventory of an RCTx

From: Environmental sustainability in endodontics. A life cycle assessment (LCA) of a root canal treatment procedure

Material/process Product examples Amount LCI database Database process name
Steel Endodontic files, Dental explorer, pocket probe, carver, tray 25.78 g ecoinvent v3.5 casting, steel, lost-wax | casting, steel, lost-wax | Cutoff, U - RoW
Isopropanol Surface disinfection 180.00 g ecoinvent v3.5 isopropanol production | isopropanol | Cutoff, U - RER
Tissue Paper Paper towels, disposable bib, face mask 73.66 g ecoinvent v3.5 market for tissue paper | tissue paper | Cutoff, U - GLO
Textile, woven cotton Clothing, non-woven sponges 0.32 g ecoinvent v3.5 market for textile, woven cotton | textile, woven cotton | Cutoff, U - GLO
Cotton fibre Cotton pellets, non-woven sponges 1.82 g ecoinvent v3.5 market for cotton fibre | cotton fibre | Cutoff, U - GLO
Electricity Unit use, laundry, dishwasher 31.01 kWh ecoinvent v3.5 electricity production, nuclear, pressure water reactor | electricity, high voltage | Cutoff, U - SE
Water Hand washing, laundry, dishwashing 24.67 L ecoinvent v3.5 market for tap water | tap water | Cutoff, U - Europe without Switzerland
Kraft paper Paper points 0.18 g ecoinvent v3.5 market for kraft paper, unbleached | kraft paper, unbleached | Cutoff, U - GLO
Iodine Iodine solution 2.00 g ecoinvent v3.5 market for iodine | iodine | Cutoff, U - GLO
Sodium Hypochlorite Sodium Hypochlorite 91.00 g ecoinvent v3.5 market for sodium hypochlorite, without water, in 15% solution state | sodium hypochlorite, without water, in 15% solution state | Cutoff, U - RER
EDTA EDTA 6.00 g ecoinvent v3.5 market for EDTA, ethylenediaminetetraacetic acid | EDTA, ethylenediaminetetraacetic acid | Cutoff, U - GLO
Zinc oxide Temporary filling 4.00 g ecoinvent v3.5 market for zinc oxide | zinc oxide | Cutoff, U - GLO
Rubber seal Gutta perka, Rubber dam 9.38 g ecoinvent v3.5 market for seal, natural rubber based | seal, natural rubber based | Cutoff, U - GLO
Epoxy resin Sealer 2.00 g ecoinvent v3.5 market for epoxy resin, liquid | epoxy resin, liquid | Cutoff, U - RER
Hydrogen peroxide Hydrogen peroxide 2.00 g ecoinvent v3.5 market for hydrogen peroxide, without water, in 50% solution state | hydrogen peroxide, without water, in 50% solution state | Cutoff, U - RER
Quicklime Calcium hydroxide 0.67 g ecoinvent v3.5 market for quicklime, milled, packed | quicklime, milled, packed | Cutoff, U - RER
Glass Glass mixing tray, dappen dish 0.46 g ecoinvent v3.5 flat glass production, uncoated | flat glass, uncoated | Cutoff, U - RER
Soap Hand soap, detergents 119.90 g ecoinvent v3.5 market for soap | soap | Cutoff, U - GLO
Cardboard Cardboard packaging 297.12 g ecoinvent v3.5 corrugated board box production | corrugated board box | Cutoff, U - RER
Nitrile Dentist gloves 28.40 g ecoinvent v3.5 market for acrylonitrile | acrylonitrile | Cutoff, U - GLO
Ethanol Hand disinfection 75.00 g ecoinvent v3.5 ethylene hydration | ethanol, without water, in 99.7% solution state, from ethylene | Cutoff, U - RER
Polypropylene Plastic cup, evacuation tip adaptor 17.13 g ecoinvent v3.5 polypropylene production, granulate | polypropylene, granulate | Cutoff, U - RER
Plastic film Disposable bib, sterile bags 91.84 g ecoinvent v3.5 market for packaging film, low density polyethylene | packaging film, low density polyethylene | Cutoff, U - GLO
Polyethylene Evacuation tip, 57.79 g ecoinvent v3.5 market for polyethylene terephthalate, granulate, bottle grade | polyethylene terephthalate, granulate, bottle grade | Cutoff, U - GLO
Electric motor Handpiece, WaveOne, Apex localisator 0.64 g ecoinvent v3.5 market for electric motor, for electric scooter | electric motor, for electric scooter | Cutoff, U - GLO
Electronic waste Handpiece, WaveOne, Apex localisator − 0.64 g ecoinvent v3.5 Waste/ecopoints 97, CH
Emissions to air Surface disinfection, hand disinfection 255.00 g ecoinvent v3.5 Emission to air/high population density
Steel waste Endodontic files, Dental explorer, pocket probe, − 25.78 g ecoinvent v3.5 Waste, unspecified
Waste Incineration All other waste 630.29 g ecoinvent v3.5 market for municipal solid waste | municipal solid waste | Cutoff, U - SE
Wastewater All wastewater and liquids − 24.85 L ecoinvent v3.5 treatment of wastewater, from residence, capacity 1.1E10l/year | wastewater, from residence | Cutoff, U - RoW
Transport Small lorry 2.60 km ecoinvent v3.5 market for transport, freight, lorry 3.5-7.5 metric ton, EURO6 | transport, freight, lorry 3.5-7.5 metric ton, EURO6 | Cutoff, U - RER
  Large lorry 132.32 km ecoinvent v3.5 market for transport, freight, lorry 16-32 metric ton, EURO6 | transport, freight, lorry 16-32 metric ton, EURO6 | Cutoff, U - RER
  Sea freight 433.65 km ecoinvent v3.5 market for transport, freight, sea, transoceanic ship | transport, freight, sea, transoceanic ship | Cutoff, U - GLO