Nitrous Oxide

Nitous Oxide

The DA Academy Dental Nitrious Oxide Training course will provide information to meet the Nitrous Oxide/oxygen inhalation conscious sedation. Students in this program learn:

  • Define conscious sedation and be aware of the benefits for the patient and dentist
  • Understand the psychophysiology of pain, anxiety, and sedation
  • Understand the physiology of respiration and of N2O-O2 inhalation
  • Know the advantages, disadvantages, indications, and contraindications to the use of N2O in normal and medically compromised patients
  • Understand the techniques used to administer N2O and monitor patients while they receive it
  • Recognize the complications that may arise as a result of N2O administration, and understand the prevention, early detection, and treatment of these complications
  • Learn the hazards associated with the use of N2O and accepted methods used to reduce exposure to an acceptable level in the dental office
  • Recognize special problems associated with the use of N2O in children and know the proper technique for administering it to them
  • Discuss nitrous oxide equipment, including tanks, regulators, manifolds and machines
  • Understand guidelines for installation and use as issued by the National Fire Protection Association and the American Dental Association
  • Recognize the similarities of N2O sedation and hypnosis, be familiar with the basic concepts of hypnosis and its usefulness as an adjunct to N2O sedation


Nitrous oxide, known as laughing gas, is used in dentistry to reduce pain and anxiety during procedures. It works by affecting the central nervous system, increasing pain tolerance, and inducing a state of relaxation. Administered through a mask, its effects start quickly and wear off soon after the gas is stopped, allowing patients to recover quickly. Its ability to keep patients conscious while providing minimal sedation makes it a popular choice for managing discomfort and fear in dental care.

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