Why am I being warned about potential exposure to nitrous oxide?
- Nitrous oxide is on the Proposition 65 list because it can cause birth defects or other reproductive harm.
- Women exposed to nitrous oxide may experience reduced fertility. Exposure during pregnancy may cause loss of pregnancy, and birth defects or other reproductive harm.
- Proposition 65 requires businesses to determine if they must provide a warning about exposure to listed chemicals.
What is nitrous oxide?
Nitrous oxide, commonly known as “laughing gas,” is a gas used in combination with other gases to ease pain and anxiety during certain dental procedures.
How does exposure to nitrous oxide occur during dental care?
- A dental patient breathes in nitrous oxide when it is used during a dental procedure.
- During pregnancy, nitrous oxide can pass from mother to baby when the mother undergoes a dental procedure using this gas.
How can I reduce my exposure to nitrous oxide during dental care?
- Have regular dental checkups and practice good oral hygiene.
- When planning dental work, especially during pregnancy, talk with your doctor or dentist about anesthetic options other than nitrous oxide.
For more information:
Scientific Fact Sheets and Resources
- Centers for Disease Control and Prevention (CDC)
Dental Oral Health
- California Dental Association (CDA)
Proposition 65
- California Environmental Protection Agency (CalEPA)
Office of Environmental Health Hazard Assessment (OEHHA)- Proposition 65: Background
- Proposition 65: The List of Chemicals
- Proposition 65: Fact Sheets
