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Nitrous oxide, happy gas, and laughing gas

Nitrous oxide is a commonly used form of dental sedation that helps reduce anxiety and discomfort before and during dental procedures.
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What is nitrous
oxide sedation?

Nitrous oxide is a mild sedative used in dentistry to help patients feel calm and relaxed during treatment. It is colourless, odourless, and inhaled through a small nasal mask. Patients remain awake and responsive, and the effects typically wear off within minutes once the gas is stopped.

Nitrous oxide may
be considered for patients who:

feel anxious or nervous about dental treatment
would like extra support relaxing in the dental chair
are undergoing longer or more involved procedures
prefer a sedation option that wears off quickly

Suitability depends on your medical history, current health, and the type of dental treatment planned. If nitrous oxide is not appropriate for you, your dentist will discuss alternative sedation options.

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What to expect during
treatment with nitrous oxide

Treatment begins

01

At the start of your dental procedure, a small mask is placed over your nose, allowing you to breathe in a controlled mixture of nitrous oxide and oxygen.

Sedation effects
take place

02

Many patients describe feeling calm and relaxed, light-headed, warm or tingly in the arms or legs, mildly drowsy or dream-like, or having a dry mouth. Some people may giggle or feel pleasantly detached.

Dental work
begins

03

Throughout the procedure, your dentist can adjust the level of sedation to ensure your comfort while keeping you awake and responsive.

Sedation ends

04

At the end of treatment, oxygen is administered for several minutes to help clear the gas from your system. Lingering drowsiness may occur.

Safety and recovery considerations

Nitrous oxide has a long history of use in dentistry and is considered a well-established sedation option when provided by trained dental professionals. Recovery is typically quick. Most patients feel back to normal shortly after treatment.

To support comfort and reduce the chance of side effects such as nausea or headache, your dental team may recommend:

  • following any post-treatment instructions provided

As with all sedation options, individual responses vary. Your dentist will review your medical history and explain any potential considerations relevant to you.

Cost of nitrous
oxide sedation

The cost of nitrous oxide sedation depends on factors such as the length of treatment and whether it is used alongside other dental procedures.

A personalised estimate will be provided during your consultation. Payment plans are available.

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Payment plans available

Ready to explore dental treatment with nitrous oxide sedation? We offer a range of payment plans to help make treatment more manageable.

Frequently asked questions

Common questions about nitrous oxide treatment, suitability, and aftercare.

Contact us

If dental visits make you feel uneasy, gentle sedation options like nitrous oxide may help make treatment feel more manageable. Our experienced dental team will take the time to understand your concerns and recommend the most appropriate approach for your comfort and care.

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