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Related Experiment Videos

Gingivitis.

R C Page

    Journal of Clinical Periodontology
    |May 1, 1986
    PubMed
    Summary
    This summary is machine-generated.

    Gingivitis, a plaque-induced inflammatory gum disease, progresses through distinct stages. While some lesions resolve, others can advance to periodontitis, highlighting the importance of control and prevention.

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    Area of Science:

    • Oral microbiology and immunology
    • Periodontal disease pathogenesis

    Background:

    • Gingivitis originates from microbial plaque accumulation in the gingival sulcus.
    • Local and systemic factors can exacerbate plaque retention or gingival susceptibility.
    • Specific microbial shifts characterize different stages of gingivitis development.

    Purpose of the Study:

    • To elucidate the microbial etiology and pathogenesis of gingivitis.
    • To differentiate the inflammatory responses in initial, early, and established gingival lesions.
    • To investigate the progression of gingivitis to periodontitis and differences in children versus adults.

    Main Methods:

    • Analysis of microbial species associated with gingival health and disease.
    • Histopathological examination of gingival lesions at different stages (initial, early, established).

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  • Experimental induction of lesions using plaque extracts and contact antigens.

    • Main Results:

    • Gingivitis involves sequential microbial colonization, with increasing complexity over time.
    • Lesions progress from acute inflammation (initial) to T-lymphocyte-predominant (early) and B-lymphocyte/plasma cell-predominant (established) stages.
    • Periodontal destruction arises from acute inflammatory episodes, not solely from T-cell to B-cell conversion; gingivitis can progress to periodontitis.

    Conclusions:

    • Gingivitis is a distinct disease with identifiable microbial causes and pathological stages.
    • Clinical manifestations are often episodic, with varying lesion stability and progression.
    • Gingivitis in children differs, with delayed signs and a predominantly T-lymphocyte infiltrate; prevention and control are beneficial.