Nitrous oxide (N₂O) is widely used in dental clinics as a safe and effective method of conscious sedation. Commonly known as laughing gas, it helps patients relax, reduces anxiety, and minimizes discomfort during dental procedures while allowing them to remain awake and responsive.
Thanks to its rapid onset and quick recovery time, nitrous oxide is especially suitable for patients with dental anxiety, sensitive gag reflexes, or those undergoing minor to moderate treatments. Its controlled administration and excellent safety profile make it a trusted choice for dentists worldwide, ensuring a more comfortable experience for both patients and practitioners.
Nitrous oxide can be beneficial for:
Because the effects fade quickly, you can safely resume normal activities right after your visit — including driving.
The process is simple, controlled, and comfortable:
A small nosepiece is positioned comfortably, allowing you to breathe normally.
We adjust the gas mixture to your comfort level. Within minutes, you’ll feel calm, warm, and relaxed.
Our trained team monitors your response and adjusts the sedation as needed.
Once the gas is stopped, the effects fade almost immediately. You can leave the office feeling alert and clear-headed.
Nitrous oxide has one of the safest profiles in dentistry, making it widely used for both adults and children.
Patients commonly describe:
You remain conscious and able to communicate with the dentist throughout the entire appointment.
Yes — nitrous oxide has been used safely in dentistry for decades. At Smile Factory Dental, we follow strict protocols, including:
Most patients tolerate it extremely well, and side effects are rare and temporary.
No — you remain awake, but you’ll feel very relaxed.
Yes. It is one of the safest sedation options for children and is commonly recommended.
Most patients feel relaxed within 2–3 minutes.
The mild sedative effect continues only while breathing the gas. Once stopped, recovery occurs within minutes.
No. Because nitrous oxide wears off quickly, patients can return to normal activities right away.