Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Videos

Comparative study between the SFS and LFS rotation as a possible morphogenic mechanism.

H Opdebeeck, W H Bell, J Eisenfeld

American Journal of Orthodontics

|November 1, 1978

Summary

This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Topological cell clustering in the ATLAS calorimeters and its performance in LHC Run 1.

The European physical journal. C, Particles and fields·2017

Same author

Measurements of top-quark pair differential cross-sections in the lepton+jets channel in <i>pp</i> collisions at [Formula: see text] using the ATLAS detector.

The European physical journal. C, Particles and fields·2017

Same author

Performance of pile-up mitigation techniques for jets in [Formula: see text] collisions at [Formula: see text] TeV using the ATLAS detector.

The European physical journal. C, Particles and fields·2017

Same author

Test of CP invariance in vector-boson fusion production of the Higgs boson using the <i>Optimal Observable</i> method in the ditau decay channel with the ATLAS detector.

The European physical journal. C, Particles and fields·2017

Same author

Search for single production of vector-like quarks decaying into <i>Wb</i> in <i>pp</i> collisions at [Formula: see text] TeV with the ATLAS detector.

The European physical journal. C, Particles and fields·2017

Same author

Probing lepton flavour violation via neutrinoless [Formula: see text] decays with the ATLAS detector.

The European physical journal. C, Particles and fields·2017

The long face syndrome (LFS) involves distinct subtypes, with mandibular rotation influencing facial height. Understanding these patterns is crucial for diagnosing and treating facial growth abnormalities.

Area of Science:

Dentistry
Orthodontics
Craniofacial Biology

Background:

Facial morphology varies significantly, with distinct patterns observed in individuals with reduced or increased lower facial height.
The long face syndrome (LFS) and short face syndrome (SFS) represent extremes of facial skeletal patterns.
Understanding the underlying skeletal dynamics is essential for accurate diagnosis and treatment planning.

Purpose of the Study:

To analyze cephalometric differences between individuals with reduced and increased lower facial height.
To investigate potential subtypes within the long face syndrome.
To explore the role of mandibular rotation in facial skeletal patterns.

Main Methods:

Cephalometric analysis of adult Caucasians with reduced (LFS) and increased (SFS) lower facial height.

Related Experiment Videos

Comparison of linear and angular measurements between the two groups.

Subtyping of the LFS group based on specific cephalometric parameters.

Main Results:

The LFS group exhibited distinct subtypes: Subtype I (long ramus, increased angles) and Subtype II (short ramus, backward/downward mandibular rotation).
Both LFS and SFS patterns can be explained by clockwise or counterclockwise mandibular rotation, respectively, in conjunction with the hyoid, tongue, pharynx, and cervical spine.
The need to maintain upper airway patency may influence mandibular rotation in LFS.

Conclusions:

The long face syndrome presents with at least two distinct cephalometric subtypes.
Mandibular rotation, influenced by surrounding structures, plays a significant role in determining facial skeletal patterns.
These findings provide insights into the complex etiology of facial growth variations.