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

Molar occlusion and mandibular rotation: a longitudinal study

I Brin, M B Kelley, J L Ackerman

    American Journal of Orthodontics
    |May 1, 1982
    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

    Kaposiform haemangioendothelioma causing complete jejunal obstruction in a neonate: an unexpected intraoperative finding.

    Annals of the Royal College of Surgeons of England·2026
    Same author

    Collective self-assessment in banded mongoose intergroup contests.

    Behavioral ecology : official journal of the International Society for Behavioral Ecology·2026
    Same author

    The Effects of Proportional Processing and Multiple Opponents on Contest Assessment in Male Green Swordtail Fish (Xiphophorus hellerii).

    Integrative and comparative biology·2025
    Same author

    Family Planning Service Uptake in Hospitals in Rivers State, Nigeria.

    West African journal of medicine·2025
    Same author

    The evolution of democratic peace in animal societies.

    Nature communications·2024
    Same author

    Behavior and morphology combine to influence energy dissipation in mantis shrimp (Stomatopoda).

    The Journal of experimental biology·2024

    Mandibular rotation patterns do not predictably influence changes in molar occlusion during childhood growth. This study found no significant correlation between growth direction and dental relationships in children aged 7-12 years.

    Area of Science:

    • Orthodontics
    • Craniofacial Development
    • Pediatric Dentistry

    Background:

    • Human dentition development is influenced by skeletal growth, soft tissue function, and spatial factors.
    • Understanding these influences is crucial for predicting and managing dental development.
    • Mandibular rotation and molar relationships are key components of craniofacial growth.

    Purpose of the Study:

    • To investigate the correlation between mandibular rotational growth patterns and changes in molar occlusion.
    • To determine if mandibular rotation predicts changes in sagittal molar relationships between ages 7 and 12.
    • To assess the utility of the SN-corpus axis angle in characterizing growth patterns.

    Main Methods:

    • Analyzed cephalometric data from 42 individuals in the Burlington sample (ages 7-12).

    Related Experiment Videos

  • Classified participants into forward rotators (FR) and backward rotators (BR) based on changes in the SN-corpus axis angle.
  • Assessed molar relationships using cusp-fossa analysis in the sagittal plane.

    • Main Results:

    • A statistically significant difference (4.04 degrees) in SN-corpus axis angle change was observed between FRs and BRs.
    • No predictable changes in molar relationship were found in either FR or BR groups.
    • No statistically significant correlations were identified between molar occlusion changes and mandibular growth direction patterns.

    Conclusions:

    • Mandibular rotational growth patterns (forward vs. backward) do not reliably predict changes in molar occlusion between ages 7 and 12.
    • The SN-corpus axis angle change is a useful indicator of distinct growth patterns.
    • Molar occlusion changes during development are multifactorial and not solely determined by mandibular rotation direction.