Nitrous oxide (happy gas) may be recommended to help some children overcome these feelings. Nitrous oxide has a proven safety record and in many situations can allow dental care to be delivered to children that may not be able to accept treatment without feeling like they are floating on a cloud. Most children love the sensation with nitrous oxide and treatment can be completed in a happy and pain-free way.
However, space maintainers are not required in many cases. A specialist assessment is recommended as there are many factors that influence this decision.