Nitrous oxide, commonly known as “laughing gas,” is a safe and mild sedative used in dentistry to alleviate anxiety and discomfort. Administered through a comfortable mask placed over the nose, it induces a feeling of relaxation and euphoria while allowing patients to remain fully conscious and responsive. This sedative helps patients overcome dental fears and phobias, reduces sensitivity to pain, and creates a calming effect that enhances overall comfort. It is fast-acting and wears off quickly, enabling patients to resume normal activities after the procedure without lingering effects, making it ideal for those with anxiety or sensitivity concerns.