NHDS Qualified Dental Assisting Course

Indications

• Reduce anxiety
• Increase pain threshold
• Suppress gag reflex
• Increase tolerance for longer appointments
• Eliminate need for sedative premedication
• Potentiate effects of sedative premedication

Physical Properties of Nitrous Oxide

• A non-flammable, sweet-smelling gas
• Relatively insoluble
• Stable
• Stored in BLUE cylinders

Chemical Properties

• Nitrous oxide is inert
• Quickly absorbed from the alveoli of the lungs and physically dissolved in the blood
• Eliminated unchanged from the body