Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Protraction of the maxillofacial complex.

J Mermigos1, C A Full, G Andreasen

  • 1Department of Pediatric Dentistry, University of Iowa, Iowa City.

American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics
|July 1, 1990
PubMed
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

Relations between drawing cubes and copying line diagrams of cubes in 7- to 10-year-old children.

Child development·2000
Same author

A change in viewpoint promotes use of height-in-picture as a depth cue in 5- to 7-year-olds' drawings of a simple depth relationship.

Journal of experimental child psychology·1997
Same author

An alternative approach to distalizing a maxillary molar: case report.

The Journal of clinical pediatric dentistry·1997
Same author

Space maintenance: is it necessary with cuspal interlock?

ASDC journal of dentistry for children·1994
Same author

Processes underlying young children's spatial orientation during movement.

Journal of experimental child psychology·1994
Same author

The composite resin restoration: a literature review. Part I. Proper cavity preparation and placement techniques.

ASDC journal of dentistry for children·1993
Same journal

Smile frameworks defined by the patient's facial pattern: A cross-sectional study.

American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics·2026
Same journal

Evaluation of the correlation between dental arch width and dentofacial parameters using cone-beam computed tomography: A retrospective analysis.

American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics·2026
Same journal

Patient experiences with orthodontic retention and retainers: A scoping review.

American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics·2026
Same journal

We are there for you.

American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics·2026
Same journal

Considerations concerning credit cards.

American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics·2026
Same journal

Thieves of thought: Plagiarism in scientific writing.

American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics·2026
See all related articles

Reverse headgear therapy effectively advances the maxilla in children with Class III malocclusion. This orthopedic treatment offers a potential alternative to surgery for correcting maxillary retrognathism.

Area of Science:

  • Orthodontics
  • Pediatric Dentistry
  • Craniofacial Orthopedics

Background:

  • Skeletal Class III malocclusion is characterized by mandibular prognathism or maxillary retrognathism.
  • Orthopedic management aims to correct underlying skeletal discrepancies in growing children.
  • Maxillary deficiency is a common component of Class III malocclusion requiring early intervention.

Purpose of the Study:

  • To evaluate the orthopedic effects of reverse headgear therapy.
  • To assess changes in maxillary and mandibular positions and facial heights.
  • To determine the efficacy of reverse headgear as an alternative to orthognathic surgery.

Main Methods:

  • Retrospective cephalometric analysis of 12 patients (7 boys, 5 girls) aged 4-14 years.

Related Experiment Videos

  • Comparison of pre- and post-treatment lateral cephalometric radiographs.
  • Measurement of skeletal landmarks including SNA, effective lengths, and facial heights.

    • Main Results:

    • Significant increase in the SNA angle, indicating forward maxillary repositioning.
    • Significant increases in maxillary and mandibular effective lengths and total face height (likely due to growth).
    • No significant change in mandibular anteroposterior position; tendency for decreased mandibular plane and gonial angles.

    Conclusions:

    • Reverse headgear therapy promotes maxillary protraction in growing patients with Class III malocclusion.
    • This orthopedic approach can be a viable alternative to orthognathic surgery for maxillary retrognathism.
    • Further research may explore long-term stability and optimal treatment timing.