What is nitrous oxide / oxygen (laughing gas)?
Nitrous oxide / oxygen (laughing gas) is a very common analgesic / anxiolytic agent used in the pediatric dental offices. It is colorless and has a faint, sweet smell. Nitrous oxide / oxygen reduces anxiety and increase patent’s pain threshold. It is delivered to patient through a nasal hood. It stays on throughout the entire appointment and can be easily titrated depends on the needs. When used alone, nitrous oxide / oxygen is recommended for children with mild to moderate anxiety, or for children who undergo longer dental appointment. Children who receive nitrous oxide / oxygen may describe a floating sensation, tinkling sensation of the body, or a feeling of giddiness.