1. Strong analgesic effect and can greatly reduce the patient's pain and anxiety.
2. Sweet, non-respiratory tract irritation, patients are willing to accept.
3. Patients always remain sober, and cooperate initiatively and non-respiratory tract inhibition.
4. Easy to use, do not need special equipment and professional anesthetists.
5. The density and the flow of nitrous oxide and oxygen can be adjusted.
6. Can use in the pediatric extraction, without increasing respiratory secretions, without affecting on breathing, without muscle relaxant role; patients can breathing independently, the protection of the throat reflection is active, no reserves, you can return home immediately after the operation, safe and reliable.
7. Hypertension patients use the oxide and oxygen inhalation device in the extraction, electrocardiogram, blood pressure, pulse, respiration, oxygen saturation are stable, no signs of arrhythmia and myocardial ischemia, no stress-induced hypertension response.
8. In the extraction of buried teeth, use the nitrous oxide inhalation analgesia and partial infiltration anesthesia, it can achieve perfect results; simple method, less cost, obvious effect.