Active Appliances
An active appliance is a device used to apply forces to the teeth to change the relationship of the teeth.
Read more about this topic: Orthodontic Technology
Famous quotes containing the word active:
“You need not be proud of me.... I’m only being active till you can be again—it isn’t such a great desire on my part to serve the world and I’ll fall back into habits of sloth quite easily!”
—Eleanor Roosevelt (1884–1962)