The air water syringe tip is the item that is used to spray air and water in a patient's mouth during a dental treatment. Due to it's simplicity, a dentist orthodontist, and hygienist overlook the cross-contamination ramifications that can occur from not properly sterilizing their metal air water syringe tips.
How do you change the buttons on a dental air water syringe?
https://www.youtube.com/watch?v=JH6OLHuZB9I
How do I change the O ring in my dental air water syringe?