Orthodontics Practice Glossary
105 terms total — 9 showing — Last updated 15 Sep 2026
Dental Attachments
Small composite resin shapes bonded to tooth surfaces to improve the grip and directional force of clear aligners during tooth movement.
Space Analysis
A diagnostic calculation comparing the space available in the dental arch with the space required to accommodate all tee...
Study Models
Three-dimensional plaster or stone casts of a patient's teeth and arches used for diagnosis, treatment planning, and rec...
TAD
Abbreviation for Temporary Anchorage Device; a small titanium screw inserted into the jawbone to provide absolute anchor...
Torque
In orthodontics, the rotational force applied to a tooth root in the labiolingual or buccolingual plane, controlling the...
Transpalatal Arch
A fixed orthodontic appliance that connects the upper first molars across the palate to provide anchorage and control mo...
Twin Block
A specific two-part removable functional appliance designed by William Clark to advance the mandible and correct Class I...
Uprighting
An orthodontic tooth movement that corrects the axial inclination of a tipped tooth, bringing it to a more vertical posi...
Virtual Setup
A digital 3D simulation of planned orthodontic tooth movements used to preview the anticipated treatment outcome before...
Wits Appraisal
A cephalometric measurement that assesses the anteroposterior jaw relationship by projecting points A and B perpendicula...