Dental Nitrous Oxide Use Has Measurable Climate Impact, Study Finds - Takeaways - DentalSpire

Dental Nitrous Oxide Use Has Measurable Climate Impact, Study Finds

A UK quality improvement project reports wide variation in emissions and wastage from nitrous oxide sedation, highlighting opportunities to reduce environmental harm while maintaining patient care.

  • By

  • Olivia Anderson

  • February 5, 2026

  • 3 min

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  • 1

    Nitrous oxide used in dentistry has a significant environmental impact, with a mean carbon footprint of 28.62 kg CO2 equivalent per sedation appointment.

  • 2

    The study analyzed data from 31 dental services and 891 sedation appointments to assess nitrous oxide's carbon footprint and identify reduction opportunities.

  • 3

    Most of the carbon footprint was attributed to nitrous oxide gas, with average weekly service footprints reaching 518.25 kg CO2 equivalent.

  • 4

    Flow rates during nitrous oxide delivery significantly influence emissions, with higher rates leading to increased wastage and environmental harm.

  • 5

    The study recommends monitoring nitrous oxide use, standardizing training, and reassessing practices to reduce carbon footprints while ensuring patient care.

Original Source(s)

Dental Nitrous Oxide Use Has Measurable Climate Impact, Study Finds

  • by Olivia Anderson

  • February 5, 2026

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