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[Reflexions on labial topography].

A Coutand, D Cherrueau, G Maleysson

    Revue De Stomatologie Et De Chirurgie Maxillo-Faciale
    |November 1, 1975
    PubMed
    Summary
    This summary is machine-generated.

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    Lip muscle function impacts facial balance. Variations in lip shape at rest, like gaping or lip incarceration, can indicate underlying issues requiring surgical intervention.

    Area of Science:

    • Oral and Maxillofacial Surgery
    • Dental Anatomy
    • Facial Musculature Studies

    Context:

    • The resting state of labial topography exhibits significant variability.
    • This variability can manifest as lip gaping or the 'stoma syndrome' where the lower lip incarcerates the upper dental arch.
    • These resting anomalies are crucial indicators in oro-facial diagnostics.

    Purpose:

    • To highlight the clinical significance of resting labial topography.
    • To underscore the link between lip musculature, facial equilibrium, and dental arch positioning.
    • To establish the necessity of surgical intervention for specific labial anomalies.

    Summary:

    • The musculature of the lips plays a vital role in maintaining oro-facial muscular equilibrium.
    • Labial topography at rest demonstrates considerable variability, including lip gaping with potential upper alveolar process protrusion.

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  • Conversely, an upwardly displaced stoma can lead to lower lip incarceration of the upper dental arch and alveolar process retrocession, a condition known as stoma syndrome.
  • These identified resting anomalies necessitate surgical treatment.

    • Impact:

    • Provides a basis for understanding the functional implications of lip morphology.
    • Identifies specific resting labial presentations that warrant surgical correction.
    • Contributes to the diagnostic criteria for oro-facial skeletal anomalies.