Dentofacial Orthopedics Glossary
105 terms total — 9 showing — Last updated 15 Sep 2026
Functional Matrix Theory
A developmental theory proposing that the growth of skeletal structures is driven by the functional demands of the soft-tissue matrices they support or protect.
Temporomandibular Joint
The bilateral synovial joint connecting the mandibular condyle to the temporal bone of the skull, governing all jaw move...
Torque
In orthodontics, the labiolingual or buccolingual inclination of a tooth crown or root relative to a reference plane, ap...
Transverse Discrepancy
A skeletal or dental mismatch in the width dimension between the upper and lower jaws, most commonly presenting as a pos...
Tweed Triangle
A cephalometric diagnostic triangle formed by the Frankfort Horizontal Plane, the mandibular plane, and the long axis of...
Twin Block Appliance
A two-piece removable functional appliance with interlocking bite blocks that postures the mandible forward to treat Cla...
Upper Anterior Facial Height
The cephalometric distance between nasion and the anterior nasal spine, representing the skeletal contribution to the up...
Vertical Dimension of Occlusion
The measured vertical height of the lower face when the teeth are in maximum intercuspation, used to assess and record t...
Vertical Facial Pattern
A classification of the overall proportional relationship of the face in the vertical dimension, typically described as...
Wits Appraisal
A cephalometric measurement that assesses the sagittal jaw relationship by comparing the positions of Points A and B whe...