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

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