Under the influence of the gas, the patient becomes calm, submissive, and indifferent, to the external environment. Children show an incredible tendency to day-dream. They “dream” of swimming, flying, being on an aeroplane, in a balloon, space rocket, or on a merry-go-round.
The child inhales a mixture of gas that smells like e.g. bubble gum through a mask put on the child’s nose. People who have problems breathing can take the mask home in order to practice breathing through this device, as it includes inhaling through the nose and exhaling through the open mouth (even though it may seem easy, it is not).
During inhalation sedation, sudden noises, loud conversation or shouting should be avoided, as it is easy for the child to “wake up” then. The best effects are achieved in silence and peace.
The role of the patient and the assistant is to talk calmly, tell fairy tales, as it makes it easier for the patient to achieve the state of calmness and full relaxation. Each additional person in the dental office distracts the patient’s attention, which may have negative impact on the effect of N2O/O2. Inhalation sedation can also be used in adult patients.