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

Craniofacial growth differences between low and high MP-SN angle males: a longitudinal study

A T Karlsen

    The Angle Orthodontist
    |January 1, 1995
    PubMed
    Summary

    Craniofacial growth differences in boys with low and high MP-SN angles are linked to mandibular corpus rotation. Forward mandibular rotation in the low angle group explains dimensional changes between ages 6-12.

    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

    Morphology and growth in convex profile facial patterns: a longitudinal study.

    The Angle orthodontist·1999
    Same author

    Longitudinal changes in Class I subjects with moderate mandibular skeletal protrusion.

    The Angle orthodontist·1998
    Same author

    Association between facial height development and mandibular growth rotation in low and high MP-SN angle faces: a longitudinal study.

    The Angle orthodontist·1997
    Same author

    Craniofacial morphology in children with Angle Class II-1 malocclusion with and without deepbite.

    The Angle orthodontist·1994
    Same author

    Craniofacial characteristics in children with Angle Class II div. 2 malocclusion combined with extreme deep bite.

    The Angle orthodontist·1994
    Same author

    [Mandibular occlusion].

    Den Norske tannlaegeforenings tidende·1979

    Area of Science:

    • Orthodontics
    • Craniofacial Biology
    • Pediatric Growth

    Background:

    • Craniofacial growth exhibits significant individual variability.
    • The mandibular plane to sella-nasion (MP-SN) angle is a key indicator of facial type.
    • Understanding factors influencing craniofacial dimensions is crucial for orthodontic diagnosis and treatment planning.

    Purpose of the Study:

    • To investigate longitudinal craniofacial growth differences between boys with low and high MP-SN angles.
    • To determine if dimensional changes are associated with variations in mandibular growth rotation.
    • To analyze the relationship between mandibular corpus rotation and craniofacial dimensional changes.

    Main Methods:

    • Longitudinal cephalometric analysis of two groups of boys categorized by MP-SN angle (low vs. high).

    Related Experiment Videos

  • Assessment of dimensional changes in craniofacial structures.
  • Evaluation of mandibular growth rotation, specifically matrix rotation of the mandibular corpus.

    • Main Results:

    • Significant group differences in dimensional change were observed, primarily between ages 6 and 12.
    • These differences were explained by variations in mandibular corpus matrix rotation.
    • During ages 12-15, both dimensional changes and matrix rotation were similar between groups.
    • Forward mandibular rotation was more pronounced in the low MP-SN angle group.

    Conclusions:

    • Mandibular corpus rotation is a significant determinant of craniofacial dimensional changes in growing boys.
    • The period between 6 and 12 years old is critical for observing these rotation-related dimensional differences.
    • MP-SN angle differences are strongly correlated with mandibular matrix rotation, influencing craniofacial development.