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Related Experiment Videos

Morphologic studies on dental plaque formation.

T Lie

    Acta Odontologica Scandinavica
    |January 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    This research explores early dental plaque formation and morphology using hydroxyapatite splints. Findings reveal key insights into pellicle development and plaque development on tooth surfaces.

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    Area of Science:

    • Oral biology
    • Microbiology
    • Biomaterials science

    Background:

    • Dental plaque formation is a complex process involving pellicle deposition and microbial colonization.
    • Understanding early plaque development is crucial for preventing oral diseases like periodontitis and caries.
    • Hydroxyapatite (HA) splints offer a controlled model for studying in vivo plaque formation.

    Purpose of the Study:

    • To investigate the morphogenesis and ultrastructure of early dental plaque using HA splints.
    • To examine pellicle formation and its role in subsequent plaque development.
    • To evaluate different techniques for observing dental plaque morphology.

    Main Methods:

    • Utilized hydroxyapatite (HA) splints attached to human dentition as a model system.

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  • Employed scanning electron microscopy (SEM) and transmission electron microscopy (TEM) for ultrastructural analysis.
  • Investigated plaque formation under varying conditions, including a low-sucrose diet.

    • Main Results:

    • Pellicle formation on HA splints was confirmed as an adsorption process, preceding bacterial colonization.
    • Early dental plaque exhibited distinct morphogenetic patterns observable via SEM.
    • Ultrastructural studies revealed the intricate development of plaque architecture over time.

    Conclusions:

    • HA splints provide a valuable in vivo model for studying dental plaque initiation and development.
    • Pellicle morphogenesis is a critical initial step in dental plaque formation.
    • Advanced microscopy techniques are essential for elucidating the complex ultrastructure of dental plaque.