Is nitrous oxide / oxygen (laughing gas) safe?
Nitrous oxide / oxygen (laughing gas) is the safest sedative to use in pediatric dentistry. It is non-addictive and non-allergic. Nitrous oxide / oxygen (laughing gas) is not recommended for patients who have the following medical conditions: chronic obstructive pulmonary disease (COPD), severe emotional disturbance or drug-related dependencies. It should be used with caution when patients have the following conditions: Sickle cell disease, acute otitis media (middle ear infection) and recurrent tympanic membrane graft. Any family member of the child who is pregnant, especially in the first trimester, will be asked to stay in the waiting room when nitrous oxide / oxygen is used for the child.