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Microbiota of gingivitis in man.

J Slots, D Möenbo, J Langebaek

Scandinavian Journal of Dental Research

|May 1, 1978

Summary

The subgingival microflora in chronic gingivitis differs from healthy gums and advanced periodontal disease. This finding suggests distinct microbial profiles are associated with different stages of gum disease.

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Area of Science:

Microbiology
Periodontology
Oral Health

Background:

Chronic gingivitis is a common oral condition affecting gum health.
Understanding the microbial composition of gingival crevices is crucial for diagnosing and treating periodontal disease.
Previous studies have identified various bacteria in periodontal pockets, but specific profiles for chronic gingivitis require further elucidation.

Purpose of the Study:

To identify and quantify the predominant cultivable microorganisms in the gingival crevices of individuals with chronic gingivitis.
To compare the subgingival microflora of chronic gingivitis with that of healthy periodontium and advanced periodontal disease.
To explore potential differences in microbial profiles that may indicate distinct infectious processes in various periodontal conditions.

Main Methods:

Utilized the roll tube culture technique for isolating and culturing microorganisms from gingival crevices.
Collected samples from nine individuals aged 25-42 years diagnosed with chronic gingivitis.
Quantified bacterial isolates, categorizing them by Gram-stain properties and species identification.

Main Results:

Gram-positive rods (Actinomyces spp., Streptococcus spp.) constituted a significant portion (55.9%) of the cultivable microflora.
Gram-negative anaerobic rods (Fusobacterium nucleatum, Bacteroides spp.) were also predominant (25.0%).
Specific bacterial profiles were observed in chronic gingivitis, differing from healthy and advanced periodontal conditions.

Conclusions:

The subgingival microflora in chronic gingivitis exhibits a distinct composition compared to healthy periodontium and advanced periodontal disease.
These microbial differences suggest that distinct infectious processes may be involved in various clinical presentations of periodontal disease.
Further research into these specific microbial profiles could lead to targeted therapeutic strategies for different periodontal conditions.

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