Last updated: March 2026
How Much Does Laughing Gas (Nitrous Oxide) Cost?
Cost Breakdown by Type
| Type / Procedure | Without Insurance | With Insurance |
|---|---|---|
| Nitrous Oxide (per 30 minutes) | $50 – $100 | $0 – $40 |
| Nitrous Oxide (full appointment) | $75 – $200 | $25 – $75 |
| Nitrous Oxide for Children | $50 – $150 | $0 – $50 |
CPT/ADA Code: D9230
What Affects the Cost
- Geographic location (urban areas cost 20-40% more)
- Dentist experience and specialization
- Type of dental insurance plan (PPO vs HMO/DHMO)
- Whether the procedure is classified as preventive, basic, or major
- Lab and material costs
- Number of teeth or surfaces involved
Insurance Coverage
Typical coverage: May be covered for pediatric patients or surgical procedures; often out-of-pocket for routine visits
Most dental PPO plans have an annual maximum of $1,000-$2,500. Preventive care (cleanings, exams, X-rays) is typically covered at 100%. Basic procedures (fillings, simple extractions) at 70-80%. Major procedures (crowns, bridges, implants) at 50%. Many plans have a 6-12 month waiting period for major work.
How to Save Money
- Dental schools offer procedures at 50-70% discount
- Dental discount plans save 20-50% for $80-$200/year
- Ask about payment plans — many dentists offer CareCredit 0% financing
- Community health centers provide sliding-scale pricing
- Get quotes from 2-3 dentists in your area
- Consider dental tourism for expensive procedures
Related Procedures & Costs
Frequently Asked Questions
Nitrous oxide mixed with oxygen is inhaled through a nose mask. It produces a relaxed, euphoric feeling within minutes. The effects wear off almost immediately when the gas is stopped.
Yes, nitrous oxide is one of the safest sedation methods for children. It has been used in dentistry for over 150 years. Children recover quickly and can return to normal activities immediately.
Yes, unlike other sedation methods, nitrous oxide effects wear off within 3-5 minutes of removing the mask. You can safely drive yourself home after the appointment.