About this article
Published Online: Dec 15, 2023
Page range: 1 - 7
Received: Feb 01, 2001
Accepted: Mar 01, 2001
DOI: https://doi.org/10.2478/aoj-2001-0001
© 2001 Felix Goldschmied, published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
The Control 21™ system is a new low energy orthodontic bracket system that provides prescriptive variable torque and angulation together with active, dimensionally-changing slot geometry.