Can I drive afterwards?

Yes — nitrous oxide wears off within minutes of the mask coming off, so you can drive yourself home. That is the main practical difference between it and the other two sedation options. There is no escort to arrange and no afternoon written off.

Nitrous oxide is inhaled through a small mask over the nose. There is nothing to swallow beforehand and no needle for the sedation itself. The level is adjusted during the appointment, so it can be brought up for the part you are dreading and eased off for the rest.

How does it compare with the other options?

Nitrous oxide is the lightest of the three sedation options offered. Oral sedation is a tablet taken before the appointment, and you will need someone to drive you. IV sedation is for longer surgical appointments and for patients with significant dental anxiety. Nitrous oxide suits ordinary treatment where the barrier is nerves rather than length, such as a filling or a cleaning you have been putting off.

Should I mention my anxiety when booking?

Yes, please mention it when you book. Anxiety about the dentist is common, and knowing in advance changes how the visit is scheduled, not just what is offered when you arrive. It lets the appointment be planned around your anxiety rather than reacting to it on the day.

Comfort

Nitrous Oxide Sedation in Downtown Los Angeles

Inhaled, gone in minutes, and you drive yourself home.

Anxiety about the dentist is common, and it is worth saying so when you book. Nitrous oxide is the lightest of the three sedation options at Smile LA Downtown Modern Dentistry, and the only one that leaves no plan to make about getting home.

Book an Appointment Call the Practice

Patient relaxing in a dental chair with a nitrous oxide nasal mask

How it works

How nitrous oxide works

It is a gas, breathed through a small mask over the nose, and it takes effect within a few minutes. You stay awake and able to respond throughout — it takes the edge off rather than putting you under, which is the distinction that matters and the one most people are not expecting. The level is adjusted during the appointment rather than set once at the start, so it can be brought up for the part you are dreading and eased off for the rest. When the mask comes off the effect wears away within minutes. That short tail is the whole reason it fits into an ordinary day: no escort to arrange, no afternoon written off, nothing to plan around.

Why it suits an ordinary visit

What makes it practical

Inhaled, not injected

Nothing to swallow beforehand and no needle for the sedation itself.
Wears off within minutes

Which is what makes it the practical choice for an ordinary appointment.
You can drive yourself home

No escort to arrange, no day written off.
You stay awake

Aware of what is happening and able to talk to us.

When it is the right choice

Nitrous oxide suits ordinary treatment where the barrier is nerves rather than length: a filling, a cleaning you have been putting off, a first visit after a long gap. Where an appointment is longer or the anxiety is more significant, the other two options exist for a reason — see oral sedation and IV sedation.

Say so when you book

The single most useful thing you can do is tell us before the appointment rather than on the day. It changes how we schedule the visit, not just what we offer you when you arrive. All three options are described together on the technology page.

A patient waiting on the black sofa in the Smile LA lounge

The short answer

Nitrous oxide sedation is a light form of dental sedation in which a gas is breathed through a small mask over the nose to keep a patient calm and comfortable during treatment. It takes effect within a few minutes, the level can be adjusted during the appointment, and the patient stays awake and able to respond throughout. The effect wears off within minutes of the mask being removed, so patients can drive themselves home afterward.

Nitrous Oxide FAQ

Will I be unconscious?: No — nitrous oxide keeps you comfortable and aware, and you stay awake and able to respond throughout. It takes the edge off rather than putting you under, which is the distinction most people are not expecting. You can talk to the team during the appointment.
Can I drive afterwards?: Yes — nitrous oxide wears off within minutes of the mask coming off, so you can drive yourself home. That is the main practical difference between it and the other two sedation options. There is no escort to arrange and no afternoon written off.
How is it given?: Nitrous oxide is inhaled through a small mask over the nose. There is nothing to swallow beforehand and no needle for the sedation itself. The level is adjusted during the appointment, so it can be brought up for the part you are dreading and eased off for the rest.
How does it compare with the other options?: Nitrous oxide is the lightest of the three sedation options offered. Oral sedation is a tablet taken before the appointment, and you will need someone to drive you. IV sedation is for longer surgical appointments and for patients with significant dental anxiety. Nitrous oxide suits ordinary treatment where the barrier is nerves rather than length, such as a filling or a cleaning you have been putting off.
Should I mention my anxiety when booking?: Yes, please mention it when you book. Anxiety about the dentist is common, and knowing in advance changes how the visit is scheduled, not just what is offered when you arrive. It lets the appointment be planned around your anxiety rather than reacting to it on the day.