Nitrous oxide was originally used in the 1800s as part of a party game. But it did not take long for doctors and dentists to realize that it had other uses as well. At Subtle Smiles, we offer nitrous oxide in Missouri City, Texas, to help you relax during your appointment with our dentist. If you would like to make nitrous oxide a part of your next visit with Dr. Martin Youngs, call our office at 281-491-3626 and talk with one of our team members.