Dentofacial Orthopedics Glossary

The most anterior point on the midline contour of the chin (symphysis menti), used as a cephalometric landmark in assess...

A cephalometric landmark (also called subspinale) representing the deepest concavity on the anterior surface of the maxi...

A cephalometric landmark (also called supramentale) marking the deepest concavity on the anterior surface of the mandibu...

A malocclusion in which one or more posterior maxillary teeth occlude lingual to the opposing mandibular teeth, indicati...

The most posterior midline bony projection of the hard palate, used as a cephalometric landmark and denoted PNS.

A skeletal condition in which the mandible or maxilla protrudes abnormally beyond the normal facial profile plane.

A vertical gap between the posterior wall of the maxillary tuberosity and the pterygoid process of the sphenoid bone, us...

A fixed palatal expander consisting of four helical coils soldered to molar bands, used to expand the maxillary arch and...

A fixed orthodontic appliance that applies transverse forces to the midpalatal suture to widen a constricted maxillary a...

In orthodontics, the tendency for teeth and jaws to return toward their pre-treatment positions after active treatment i...

The post-active treatment period in orthodontics during which retainers are worn to maintain tooth positions and allow p...

A skeletal condition in which the mandible or maxilla is positioned abnormally far posterior relative to the cranial bas...

Abbreviation for Rapid Palatal Expander, a fixed appliance used to widen the maxillary arch by separating the midpalatal...

A surgical procedure in which the mandibular ramus is split in the sagittal plane to allow forward or backward repositio...

Surgically Assisted Rapid Palatal Expansion; a procedure combining a surgical osteotomy to release palatal resistance wi...

A cephalometric reference plane drawn from the sella turcica to the nasion, used as a baseline for angular measurements...

A biological age estimate derived from radiographic assessment of bone maturation, used in dentofacial orthopedics to ti...

A jaw-relationship classification indicating that the maxilla is positioned anteriorly relative to the mandible, or the...

A jaw-relationship classification in which the mandible is positioned anteriorly relative to the maxilla, resulting in a...

A cephalometric angle measured from sella to nasion to point A that quantifies the anteroposterior position of the maxil...

A cephalometric angle measured from Sella to Nasion to Point B, indicating the anteroposterior position of the mandible...

The most anterior point of the soft-tissue chin, used in soft-tissue cephalometric analyses to evaluate chin projection...

A fixed or removable orthodontic appliance placed following premature loss of a primary tooth to preserve arch space for...

Abbreviation for Temporary Anchorage Device, a miniature titanium implant used as a fixed anchorage point in orthodontic...