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Related Experiment Videos

The long face syndrome: vertical maxillary excess.

S A Schendel, J Eisenfeld, W H Bell

    American Journal of Orthodontics
    |October 1, 1976
    PubMed
    Summary

    Long face syndrome, a distinct facial morphology, is characterized by excessive maxillary vertical growth. This dentofacial deformity presents as dental open or closed bites, with increased mandibular height in closed-bite cases.

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    Area of Science:

    • Dentofacial Orthopedics
    • Craniofacial Biology
    • Orthodontics

    Background:

    • Long face syndrome (LFS) is a clinically recognized facial morphology.
    • Previous literature has incompletely described LFS.
    • This study analyzes LFS in adults.

    Purpose of the Study:

    • To analyze the esthetics, skeletal morphology, and occlusion in adults with LFS.
    • To confirm the underlying dentofacial deformity in LFS.
    • To identify variations within LFS, specifically dental open and closed bites.

    Main Methods:

    • Clinical summary analysis of thirty-one adult patients diagnosed with LFS.
    • Evaluation of facial esthetics.
    • Assessment of skeletal morphology and occlusion.

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    Main Results:

    • Confirmed excessive vertical growth of the maxilla as the primary dentofacial deformity in LFS.
    • Identified dental open bite and closed bite as two variants of the syndrome.
    • Found an increased mandibular ramus height specifically in the closed-bite variant of LFS.

    Conclusions:

    • LFS is characterized by excessive maxillary vertical overgrowth.
    • Dental open and closed bites are distinct presentations of LFS.
    • Mandibular ramus morphology differentiates subtypes of LFS, impacting treatment strategies.