If you've decided you'd like some help staying calm at the dentist, that's already a great step. The next question is which type of sedation is right for you. Both nitrous oxide and IV sedation are safe and effective, but they suit different situations and different levels of anxiety.
Nitrous oxide (happy gas)
Nitrous oxide is inhaled through a small mask that sits over your nose. It takes effect within a few minutes and wears off equally quickly once the mask is removed. You remain fully conscious throughout, aware of what's happening, able to respond and communicate but you feel calm, relaxed, and slightly detached from the experience.
The biggest practical advantage of nitrous oxide is that you can drive yourself home afterwards. Because it clears your system so quickly, there's no lingering grogginess.
Nitrous oxide works well for:
- Mild to moderate dental anxiety
- Needle phobia, taking the edge off before local anaesthetic injections
- Sensitive gag reflex
- Patients who want to stay aware and in control throughout
- Routine appointments, check-ups, fillings, cleans
- Children who need a little extra help
IV sedation
IV sedation is delivered through a small cannula in the back of your hand. The effect is much deeper than nitrous oxide, most patients describe it as feeling like they've been asleep, with little or no memory of the procedure. You're technically conscious, but you're in a profoundly relaxed state and unaware of the treatment happening.
Because the effects last longer, you'll need someone to drive you home and stay with you for the day. You should also avoid alcohol and operating machinery for 24 hours afterwards.
IV sedation works well for:
- Significant dental anxiety or dental phobia
- Complex or lengthy treatment, multiple extractions, veneers, restorations
- Patients who want no memory of the procedure
- Those who haven't been able to get through appointments with lighter sedation
- Patients who want to complete a lot of treatment in a single visit
How do I choose?
The honest answer is: come in for a conversation. I'll ask about what specifically makes dental visits difficult for you, what treatment you need, and your medical history. From there we can work out together which option makes the most sense, or whether a combination approach (local anaesthetic with nitrous oxide, for example) is all that's needed.
Neither option is better than the other. The right one is the one that makes it possible for you to get the treatment you need, comfortably.
Important to note: IV sedation is only available at my Helensvale location (Pacific Smiles Dental, Westfield Helensvale). Nitrous oxide is available at both Helensvale and Burleigh Dental Studio.