Nitrous oxide, also known as laughing gas, is a non-flammable gas used for pain relief and sedation. It was discovered in the 1700s, and since then, medical practitioners, including dentists, use it as an anesthetic to sedate their patients before conducting minor procedures. Other anesthetic gases commonly used in the United States are: isoflurane, halothane, sevoflurane, and desflurane. Other than […]